Multiple vulnerabilities in the API and web-based management interfaces of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker to write files or disclose sensitive information on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

A vulnerability in the server backup function of Cisco Prime Infrastructure could allow an authenticated, remote attacker to view sensitive information. The vulnerability is due to the transmission of sensitive information as part of a GET request. An attacker could exploit this vulnerability by sending a GET request to a vulnerable device. A successful exploit could allow the attacker to view sensitive information.

A vulnerability in the installation process of Cisco HyperFlex Software could allow an authenticated, local attacker to read sensitive information. The vulnerability is due to insufficient cleanup of installation files. An attacker could exploit this vulnerability by accessing the residual installation files on an affected system. A successful exploit could allow the attacker to collect sensitive information regarding the configuration of the system.

A vulnerability in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could allow an unauthenticated, remote attacker to access sensitive information on an affected device. This vulnerability exists because the product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. An attacker could exploit this vulnerability by sending a crafted packet to the IP address of a device that has Web Access enabled. A successful exploit could allow the attacker to access sensitive information from the device. Note: To exploit this vulnerability, Web Access must be enabled on the phone. Web Access is disabled by default.

A vulnerability in the web-based management interface of Cisco Unified Communications Manager could allow an authenticated, remote attacker to view digest credentials in clear text. The vulnerability is due to the incorrect inclusion of saved passwords in configuration pages. An attacker could exploit this vulnerability by logging in to the Cisco Unified Communications Manager web-based management interface and viewing the source code for the configuration page. A successful exploit could allow the attacker to recover passwords and expose those accounts to further attack.

A vulnerability in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol component of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to retrieve memory contents, which could lead to the disclosure of confidential information. The vulnerability is due to insufficient condition checks in the part of the code that handles CAPWAP keepalive requests. An attacker could exploit this vulnerability by sending a crafted CAPWAP keepalive packet to a vulnerable Cisco WLC device. A successful exploit could allow the attacker to retrieve the contents of device memory, which could lead to the disclosure of confidential information.

A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due to insufficient file system restrictions. An authenticated attacker with netadmin privileges could exploit this vulnerability by accessing the vshell of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system.

Multiple Cisco products are affected by a vulnerability in the processing of DCE/RPC requests that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to leak sensitive information or to restart, resulting in an interruption of packet inspection. This vulnerability is due to an error in buffer handling logic when processing DCE/RPC requests, which can result in a buffer out-of-bounds read. An attacker could exploit this vulnerability by sending a large number of DCE/RPC requests through an established connection that is inspected by Snort 3. A successful exploit could allow the attacker to obtain sensitive information in the Snort 3 data stream.

A vulnerability in Cisco Meeting Server could allow an unauthenticated, remote attacker to gain access to sensitive information. The vulnerability is due to improper protections on data that is returned from user meeting requests when the Guest access via ID and passcode option is set to Legacy mode. An attacker could exploit this vulnerability by sending meeting requests to an affected system. A successful exploit could allow the attacker to determine the values of meeting room unique identifiers, possibly allowing the attacker to conduct further exploits.

A vulnerability in a debug function for Cisco RCM for Cisco StarOS Software could allow an unauthenticated, remote attacker to perform debug actions that could result in the disclosure of confidential information that should be restricted. This vulnerability exists because of a debug service that incorrectly listens to and accepts incoming connections. An attacker could exploit this vulnerability by connecting to the debug port and executing debug commands. A successful exploit could allow the attacker to view sensitive debugging information.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

A vulnerability in Cisco SD-WAN vManage Software could allow an authenticated, local attacker to view sensitive information on an affected system. This vulnerability is due to insufficient file system restrictions. An authenticated attacker with netadmin privileges could exploit this vulnerability by accessing the vshell of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system.

A vulnerability in the audit log of Cisco DNA Center could allow an authenticated, local attacker to view sensitive information in clear text. This vulnerability is due to the unsecured logging of sensitive information on an affected system. An attacker with administrative privileges could exploit this vulnerability by accessing the audit logs through the CLI. A successful exploit could allow the attacker to retrieve sensitive information that includes user credentials.

A vulnerability in the health check RPM of Cisco IOS XR Software could allow an unauthenticated, remote attacker to access the Redis instance that is running within the NOSi container. This vulnerability exists because the health check RPM opens TCP port 6379 by default upon activation. An attacker could exploit this vulnerability by connecting to the Redis instance on the open port. A successful exploit could allow the attacker to write to the Redis in-memory database, write arbitrary files to the container filesystem, and retrieve information about the Redis database. Given the configuration of the sandboxed container that the Redis instance runs in, a remote attacker would be unable to execute remote code or abuse the integrity of the Cisco IOS XR Software host system.

Multiple vulnerabilities in Cisco TelePresence Collaboration Endpoint (CE) Software and Cisco RoomOS Software could allow an attacker to conduct path traversal attacks, view sensitive data, or write arbitrary files on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Multiple vulnerabilities in Cisco TelePresence Collaboration Endpoint (CE) Software and Cisco RoomOS Software could allow an attacker to conduct path traversal attacks, view sensitive data, or write arbitrary files on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Multiple vulnerabilities in Cisco TelePresence Collaboration Endpoint (CE) Software and Cisco RoomOS Software could allow an attacker to conduct path traversal attacks, view sensitive data, or write arbitrary files on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Multiple vulnerabilities in Cisco TelePresence Collaboration Endpoint (CE) Software and Cisco RoomOS Software could allow an attacker to conduct path traversal attacks, view sensitive data, or write arbitrary files on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Multiple vulnerabilities in Cisco TelePresence Collaboration Endpoint (CE) Software and Cisco RoomOS Software could allow an attacker to conduct path traversal attacks, view sensitive data, or write arbitrary files on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

A vulnerability in a logging function of Cisco Nexus Dashboard Insights could allow an attacker with access to a tech support file to view sensitive information. This vulnerability exists because remote controller credentials are recorded in an internal log that is stored in the tech support file. An attacker could exploit this vulnerability by accessing a tech support file that is generated from an affected system. A successful exploit could allow the attacker to view remote controller admin credentials in clear text. Note: Best practice is to store debug logs and tech support files safely and to share them only with trusted parties because they may contain sensitive information.

A vulnerability in the Admin portal of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to obtain confidential information for privileged accounts. The vulnerability is due to the improper handling of confidential information. An attacker could exploit this vulnerability by logging into the web interface on a vulnerable system. An exploit could allow an attacker to obtain confidential information for privileged accounts. This information could then be used to impersonate or negatively impact the privileged account on the affected system.

A vulnerability in the web-based management interface of Cisco Common Services Platform Collector (CSPC) could allow an authenticated, remote attacker to access sensitive data on an affected system. This vulnerability exists because the application does not sufficiently protect sensitive data when responding to a specific API request. An attacker could exploit the vulnerability by sending a crafted HTTP request to the affected application. A successful exploit could allow the attacker to obtain sensitive information about the users of the application, including security questions and answers. To exploit this vulnerability an attacker would need valid Administrator credentials. Cisco expects to release software updates that address this vulnerability.

A vulnerability in the REST API of Cisco Evolved Programmable Network Manager (EPNM) could allow an authenticated, remote attacker to access sensitive data on an affected system. This vulnerability exists because the application does not sufficiently protect sensitive data when responding to an API request. An attacker could exploit the vulnerability by sending a specific API request to the affected application. A successful exploit could allow the attacker to obtain sensitive information about the application.

A vulnerability in the Cisco IOS XR Software CLI could allow an authenticated, local attacker to view more information than their privileges allow. This vulnerability is due to insufficient application of restrictions during the execution of a specific command. An attacker could exploit this vulnerability by running a specific command. A successful exploit could allow the attacker to view sensitive configuration information that their privileges might not otherwise allow them to access.

A vulnerability in Server Name Identification (SNI) request filtering of Cisco Web Security Appliance (WSA), Cisco Firepower Threat Defense (FTD), and the Snort detection engine could allow an unauthenticated, remote attacker to bypass filtering technology on an affected device and exfiltrate data from a compromised host. This vulnerability is due to inadequate filtering of the SSL handshake. An attacker could exploit this vulnerability by using data from the SSL client hello packet to communicate with an external server. A successful exploit could allow the attacker to execute a command-and-control attack on a compromised host and perform additional data exfiltration attacks.

A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an authenticated, remote attacker to access sensitive information on an affected device. The vulnerability is due to improper inclusion of sensitive information in downloadable files. An attacker could exploit this vulnerability by authenticating to an affected device and issuing a specific set of commands. A successful exploit could allow the attacker to obtain hashed credentials of system users. To exploit this vulnerability an attacker would need to have valid user credentials with elevated privileges.

A vulnerability in Cisco Data Center Network Manager (DCNM) Software could allow an authenticated, local attacker to obtain confidential information from an affected device. The vulnerability is due to insufficient protection of confidential information on an affected device. An attacker at any privilege level could exploit this vulnerability by accessing local filesystems and extracting sensitive information from them. A successful exploit could allow the attacker to view sensitive data, which they could use to elevate their privilege.

A vulnerability in the contacts feature of Cisco Webex Meetings could allow an authenticated, remote attacker with a legitimate user account to access sensitive information. The vulnerability is due to improper access restrictions on users who are added within user contacts. An attacker on one Webex Meetings site could exploit this vulnerability by sending specially crafted requests to the Webex Meetings site. A successful exploit could allow the attacker to view the details of users on another Webex site, including user names and email addresses.

A vulnerability in Cisco DNA Center software could allow an unauthenticated remote attacker access to sensitive information on an affected system. The vulnerability is due to improper handling of authentication tokens by the affected software. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker access to sensitive device information, which includes configuration files.

A vulnerability in the multicast DNS (mDNS) protocol configuration of Cisco Webex Meetings Client for MacOS could allow an unauthenticated adjacent attacker to obtain sensitive information about the device on which the Webex client is running. The vulnerability exists because sensitive information is included in the mDNS reply. An attacker could exploit this vulnerability by doing an mDNS query for a particular service against an affected device. A successful exploit could allow the attacker to gain access to sensitive information.

A vulnerability in Cisco Webex Meetings Desktop App for Windows could allow an authenticated, local attacker to gain access to sensitive information on an affected system. The vulnerability is due to unsafe usage of shared memory that is used by the affected software. An attacker with permissions to view system memory could exploit this vulnerability by running an application on the local system that is designed to read shared memory. A successful exploit could allow the attacker to retrieve sensitive information from the shared memory, including usernames, meeting information, or authentication tokens that could aid the attacker in future attacks.

A vulnerability in Cisco Jabber software could allow an authenticated, remote attacker to gain access to sensitive information. The vulnerability is due to improper validation of message contents. An attacker could exploit this vulnerability by sending specially crafted messages to a targeted system. A successful exploit could allow the attacker to cause the application to return sensitive authentication information to another system, possibly for use in further attacks.

A vulnerability in Cisco Jabber for Windows software could allow an authenticated, remote attacker to gain access to sensitive information. The vulnerability is due to improper validation of message contents. An attacker could exploit this vulnerability by sending specially crafted messages that contain Universal Naming Convention (UNC) links to a targeted user and convincing the user to follow the provided link. A successful exploit could allow the attacker to cause the application to access a remote system, possibly allowing the attacker to gain access to sensitive information that the attacker could use in additional attacks.

A vulnerability in Cisco Digital Network Architecture (DNA) Center could allow an authenticated, remote attacker to view sensitive information in clear text. The vulnerability is due to insecure storage of certain unencrypted credentials on an affected device. An attacker could exploit this vulnerability by viewing the network device configuration and obtaining credentials that they may not normally have access to. A successful exploit could allow the attacker to use those credentials to discover and manage network devices.

A vulnerability in the REST API of Cisco UCS Director could allow an authenticated, remote attacker with administrative privileges to obtain confidential information from an affected device. The vulnerability exists because confidential information is returned as part of an API response. An attacker could exploit this vulnerability by sending a crafted request to the API. A successful exploit could allow the attacker to obtain the API key of another user, which would allow the attacker to impersonate the account of that user on the affected device. To exploit this vulnerability, the attacker must have administrative privileges on the device.

A vulnerability in the CLI of Cisco Network Services Orchestrator (NSO) could allow an authenticated, local attacker to access confidential information on an affected device. The vulnerability is due to a timing issue in the processing of CLI commands. An attacker could exploit this vulnerability by executing a specific sequence of commands on the CLI. A successful exploit could allow the attacker to read configuration information that would normally be accessible to administrators only.

A vulnerability in the media engine component of Cisco Webex Meetings Client for Windows, Cisco Webex Meetings Desktop App for Windows, and Cisco Webex Teams for Windows could allow an authenticated, local attacker to gain access to sensitive information. The vulnerability is due to unsafe logging of authentication requests by the affected software. An attacker could exploit this vulnerability by reading log files that are stored in the application directory. A successful exploit could allow the attacker to gain access to sensitive information, which could be used in further attacks.

Multiple vulnerabilities in Cisco Jabber for Windows, Jabber for MacOS, and Jabber for mobile platforms could allow an attacker to execute arbitrary programs on the underlying operating system (OS) with elevated privileges or gain access to sensitive information. For more information about these vulnerabilities, see the Details section of this advisory.

A vulnerability in Cisco IoT Field Network Director (FND) could allow an unauthenticated, remote attacker to view sensitive database information on an affected device. The vulnerability is due to the absence of authentication for sensitive information. An attacker could exploit this vulnerability by sending crafted curl commands to an affected device. A successful exploit could allow the attacker to view sensitive database information on the affected device.

A vulnerability in the Intelligent Platform Management Interface (IPMI) implementation of Cisco Integrated Management Controller (IMC) could allow an unauthenticated, remote attacker to view sensitive system information. The vulnerability is due to insufficient security restrictions imposed by the affected software. A successful exploit could allow the attacker to view sensitive information that belongs to other users. The attacker could then use this information to conduct additional attacks.

A vulnerability in the SSH CLI key management functionality of Cisco NX-OS Software could allow an authenticated, local attacker to expose a user's private SSH key to all authenticated users on the targeted device. The attacker must authenticate with valid administrator device credentials. The vulnerability is due to incomplete error handling if a specific error type occurs during the SSH key export. An attacker could exploit this vulnerability by authenticating to the device and entering a crafted command at the CLI. A successful exploit could allow the attacker to expose a user's private SSH key. In addition, a similar type of error in the SSH key import could cause the passphrase-protected private SSH key to be imported unintentionally.

A vulnerability in the HTTP API of Cisco Enterprise Chat and Email could allow an unauthenticated, remote attacker to download files attached through chat sessions. The vulnerability is due to insufficient authentication mechanisms on the file download function of the API. An attacker could exploit this vulnerability by sending a crafted request to the API. A successful exploit could allow the attacker to download files that other users attach through the chat feature. This vulnerability affects versions prior to 12.0(1)ES1.

A security vulnerability was discovered in the local status page functionality of Cisco Meraki’s MX67 and MX68 security appliance models that may allow unauthenticated individuals to access and download logs containing sensitive, privileged device information. The vulnerability is due to improper access control to the files holding debugging and maintenance information, and is only exploitable when the local status page is enabled on the device. An attacker exploiting this vulnerability may obtain access to wireless pre-shared keys, Site-to-Site VPN key and other sensitive information. Under certain circumstances, this information may allow an attacker to obtain administrative-level access to the device.

A vulnerability in the TFTP service of Cisco Network Convergence System 1000 Series software could allow an unauthenticated, remote attacker to retrieve arbitrary files from the targeted device, possibly resulting in information disclosure. The vulnerability is due to improper validation of user-supplied input within TFTP requests processed by the affected software. An attacker could exploit this vulnerability by using directory traversal techniques in malicious requests sent to the TFTP service on a targeted device. An exploit could allow the attacker to retrieve arbitrary files from the targeted device, resulting in the disclosure of sensitive information. This vulnerability affects Cisco IOS XR Software releases prior to Release 6.5.2 for Cisco Network Convergence System 1000 Series devices when the TFTP service is enabled.

A vulnerability in the Cisco Connected Mobile Experiences (CMX) software could allow an unauthenticated, adjacent attacker to access sensitive data on an affected device. The vulnerability is due to a lack of input and validation checking mechanisms for certain GET requests to API's on an affected device. An attacker could exploit this vulnerability by sending HTTP GET requests to an affected device. An exploit could allow the attacker to use this information to conduct additional reconnaissance attacks.

A vulnerability in the web-based management interface of Cisco Unified Communications Manager could allow an authenticated, remote attacker to view sensitive information in the web-based management interface of the affected software. The vulnerability is due to insufficient protection of user-supplied input by the web-based management interface of the affected service. An attacker could exploit this vulnerability by accessing the interface and viewing restricted portions of the software configuration. A successful exploit could allow the attacker to gain access to sensitive information or conduct further attacks.

A vulnerability in the web-based management interface of Cisco Application Policy Infrastructure Controller (APIC) Software could allow an unauthenticated, remote attacker to access sensitive system usage information. The vulnerability is due to a lack of proper data protection mechanisms for certain components in the underlying Application Centric Infrastructure (ACI). An attacker could exploit this vulnerability by attempting to observe certain network traffic when accessing the APIC. A successful exploit could allow the attacker to access and collect certain tracking data and usage statistics on an affected device.

A vulnerability in the web-based management interface of Cisco SPA100 Series Analog Telephone Adapters (ATAs) could allow an authenticated, remote attacker to access sensitive information on an affected device. The vulnerability is due to improper restrictions on configuration information. An attacker could exploit this vulnerability by sending a request to an affected device through the web-based management interface. A successful exploit could allow the attacker to return running configuration information that could also include sensitive information.

A vulnerability in the Trusted Platform Module (TPM) functionality of software for Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode could allow an unauthenticated, local attacker with physical access to view sensitive information on an affected device. The vulnerability is due to a lack of proper data-protection mechanisms for disk encryption keys that are used within the partitions on an affected device hard drive. An attacker could exploit this vulnerability by obtaining physical access to the affected device to view certain cleartext keys. A successful exploit could allow the attacker to execute a custom boot process or conduct further attacks on an affected device.

A vulnerability in the web-based management interface of Cisco SPA100 Series Analog Telephone Adapters (ATAs) could allow an authenticated, remote attacker to access sensitive information on an affected device. The vulnerability is due to unsafe handling of user credentials. An attacker could exploit this vulnerability by viewing portions of the web-based management interface of an affected device. A successful exploit could allow the attacker to access administrative credentials and potentially gain elevated privileges by reusing stolen credentials on the affected device.