A vulnerability in the system management of certain FireAMP system processes in Cisco FireAMP Connector Endpoint software could allow an authenticated, local attacker to stop certain protected FireAMP processes without requiring a password. Stopping certain critical processes could cause a denial of service (DoS) condition, and certain security features could no longer be available. More Information: CSCvb40597. Known Affected Releases: 1.

Multiple vulnerabilities in the secure boot process of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software for the Firepower 1000 Series and Firepower 2100 Series Appliances could allow an authenticated, local attacker to bypass the secure boot mechanism. The vulnerabilities are due to insufficient protections of the secure boot process. An attacker could exploit these vulnerabilities by injecting code into specific files that are then referenced during the device boot process. A successful exploit could allow the attacker to break the chain of trust and inject code into the boot process of the device, which would be executed at each boot and maintain persistence across reboots.

A vulnerability in the Cisco Application Framework component of the Cisco IOx application environment could allow an authenticated, local attacker to overwrite arbitrary files in the virtual instance that is running on the affected device. The vulnerability is due to insufficient path restriction enforcement. An attacker could exploit this vulnerability by including a crafted file in an application package. An exploit could allow the attacker to overwrite files.

A vulnerability in the configuration of a local database installed as part of the Cisco Energy Management Suite (CEMS) could allow an authenticated, local attacker to access and alter confidential data. The vulnerability is due to the installation of the PostgreSQL database with unchanged default access credentials. An attacker could exploit this vulnerability by logging in to the machine where CEMS is installed and establishing a local connection to the database. The fix for this vulnerability randomizes the database access password in new installations; however, the fix will not change the password for existing installations. Users are required to manually change the password, as documented in the Workarounds section of this advisory. There are workarounds that address this vulnerability.

A vulnerability in certain CLI commands of Cisco Identity Services Engine (ISE) could allow an authenticated, local attacker to execute arbitrary commands on the host operating system with the privileges of the local user, aka Command Injection. These commands should have been restricted from this user. The vulnerability is due to insufficient input validation of CLI command user input. An attacker could exploit this vulnerability by authenticating to the targeted device and issuing a CLI command with crafted user input. A successful exploit could allow the attacker to execute arbitrary commands on the affected system that should be restricted. The attacker would need to have valid user credentials for the device. Cisco Bug IDs: CSCvf49844.

A vulnerability in TACACS authentication with Cisco Wireless LAN Controller (WLC) Software could allow an authenticated, local attacker to perform certain operations within the GUI that are not normally available to that user on the CLI. The vulnerability is due to incorrect parsing of a specific TACACS attribute received in the TACACS response from the remote TACACS server. An attacker could exploit this vulnerability by authenticating via TACACS to the GUI on the affected device. A successful exploit could allow an attacker to create local user accounts with administrative privileges on an affected WLC and execute other commands that are not allowed from the CLI and should be prohibited.

A vulnerability in the configuration file protections of Cisco Virtualized Infrastructure Manager (VIM) could allow an authenticated, local attacker to access confidential information and elevate privileges on an affected device. This vulnerability is due to improper access permissions for certain configuration files. An attacker with low-privileged credentials could exploit this vulnerability by accessing an affected device and reading the affected configuration files. A successful exploit could allow the attacker to obtain internal database credentials, which the attacker could use to view and modify the contents of the database. The attacker could use this access to the database to elevate privileges on the affected device.

Stack-based buffer overflow in the Cisco Thor decoder before commit 18de8f9f0762c3a542b1122589edb8af859d9813 allows local users to cause a denial of service (segmentation fault) and execute arbitrary code via a crafted non-conformant Thor bitstream.

Cisco Application Policy Infrastructure Controller (APIC) 1.1j allows local users to gain privileges via vectors involving addition of an SSH key, aka Bug ID CSCuw46076.

The CLI parser in Cisco NX-OS 4.1(2)E1(1), 6.2(11b), 6.2(12), 7.2(0)ZZ(99.1), 7.2(0)ZZ(99.3), and 9.1(1)SV1(3.1.8) on Nexus devices allows local users to execute arbitrary OS commands via crafted characters in a filename, aka Bug IDs CSCuv08491, CSCuv08443, CSCuv08480, CSCuv08448, CSCuu99291, CSCuv08434, and CSCuv08436.

The default configuration of Cisco Unity 2.x and 3.x does not block international operator calls in the predefined restriction tables, which could allow authenticated users to place international calls using call forwarding.

A vulnerability in the CLI of Cisco Firepower Extensible Operating System (FXOS) and NX-OS System Software could allow an authenticated, local attacker to perform a command injection attack. The vulnerability is due to insufficient input validation of command arguments to the CLI parser. An attacker could exploit this vulnerability by injecting crafted command arguments into a vulnerable CLI command. An exploit could allow the attacker to execute arbitrary commands at the user's privilege level. On products that support multiple virtual device contexts (VDCs), this vulnerability could allow the attacker to execute commands at the user's privilege level outside the user's environment. This vulnerability affects the following products running Cisco FXOS or NX-OS System Software: Firepower 4100 Series Next-Generation Firewall, Firepower 9300 Security Appliance, Multilayer Director Switches, Nexus 1000V Series Switches, Nexus 2000 Series Fabric Extenders, Nexus 3000 Series Switches, Nexus 3500 Platform Switches, Nexus 5000 Series Switches, Nexus 5500 Platform Switches, Nexus 5600 Platform Switches, Nexus 6000 Series Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Nexus 9000 Series Switches in standalone NX-OS mode, Nexus 9500 R-Series Line Cards and Fabric Modules, Unified Computing System Manager. Cisco Bug IDs: CSCve51700, CSCve93833, CSCve93860, CSCve93863, CSCve93864, CSCve93880.

A vulnerability in the Image Signature Verification feature used in an NX-OS CLI command in Cisco Nexus 3000 Series and 9000 Series Switches could allow an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device. The vulnerability exists because software digital signatures are not properly verified during CLI command execution. An attacker could exploit this vulnerability to install an unsigned software image on an affected device. Note: If the device has not been patched for the vulnerability previously disclosed in the Cisco Security Advisory cisco-sa-20190306-nxos-sig-verif, a successful exploit could allow the attacker to boot a malicious software image.

A vulnerability in the role-based access-checking mechanisms of Cisco Unified Computing System (UCS) Software could allow an authenticated, local attacker to execute arbitrary commands on an affected system. The vulnerability exists because the affected software lacks proper input and validation checks for certain file systems. An attacker could exploit this vulnerability by issuing crafted commands in the CLI of an affected system. A successful exploit could allow the attacker to cause other users to execute unwanted arbitrary commands on the affected system. Cisco Bug IDs: CSCvf52994.

A vulnerability in BIOS authentication management of Cisco 5000 Series Enterprise Network Compute System and Cisco Unified Computing (UCS) E-Series Servers could allow an unauthenticated, local attacker to bypass the BIOS authentication and execute actions as an unprivileged user. The vulnerability is due to improper security restrictions that are imposed by the affected system. An attacker could exploit this vulnerability by submitting an empty password value to an affected device's BIOS authentication prompt. An exploit could allow the attacker to have access to a restricted set of user-level BIOS commands. Cisco Bug IDs: CSCvh83260.

A vulnerability in the CLI of Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an authenticated, high-privileged, local attacker to perform a command injection attack. The vulnerability is due to insufficient input validation of command parameters in the CLI parser. An attacker could exploit this vulnerability by invoking a vulnerable CLI command with crafted malicious parameters. An exploit could allow the attacker to execute arbitrary commands with a non-root user account on the underlying Linux operating system of the affected device. Cisco Bug IDs: CSCvi09723.

A vulnerability in the CLI of Cisco ASR 5000 Series Aggregated Services Routers running the Cisco StarOS operating system could allow an authenticated, local attacker to elevate their privileges to admin-level privileges. The vulnerability is due to incorrect permissions that are given to a set of users. An attacker could exploit this vulnerability by logging in to the shell of an affected device and elevating their privileges by modifying environment variables. An exploit could allow the attacker to gain admin-level privileges and take control of the affected device. Cisco Bug IDs: CSCvd47741. Known Affected Releases: 21.0.v0.65839.

A vulnerability in CLI command processing in the Cisco Firepower 4100 Series Next-Generation Firewall and Cisco Firepower 9300 Security Appliance could allow an authenticated, local attacker to inject arbitrary shell commands that are executed by the device. More Information: CSCvb61343. Known Affected Releases: 2.0(1.68). Known Fixed Releases: 2.0(1.118) 2.1(1.47) 92.1(1.1646) 92.1(1.1763) 92.2(1.101).

A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to read or write arbitrary files on the underlying operating system (OS). The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by including crafted arguments to a specific CLI command. A successful exploit could allow the attacker to read or write to arbitrary files on the underlying OS.

A vulnerability in CLI of Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to inject XML into the command parser. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by including crafted input in commands. A successful exploit could allow the attacker to inject XML into the command parser, which could result in unexpected processing of the command and unexpected command output.

A vulnerability in the web-based GUI of Cisco UCS Director 6.0.0.0 and 6.0.0.1 could allow an authenticated, local attacker to execute arbitrary workflow items with just an end-user profile, a Privilege Escalation Vulnerability. The vulnerability is due to improper role-based access control (RBAC) after the Developer Menu is enabled in Cisco UCS Director. An attacker could exploit this vulnerability by enabling Developer Mode for his/her user profile with an end-user profile and then adding new catalogs with arbitrary workflow items to his/her profile. An exploit could allow an attacker to perform any actions defined by these workflow items, including actions affecting other tenants. Cisco Bug IDs: CSCvb64765.

Cisco NX-OS 6.2(10) on Nexus and MDS 9000 devices allows local users to execute arbitrary OS commands by entering crafted tar parameters in the CLI, aka Bug ID CSCus44856.

A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to inject arbitrary commands to be executed with Administrator privileges on the underlying operating system. This vulnerability is due to insufficient input validation on certain CLI commands. An attacker could exploit this vulnerability by authenticating to the device and submitting crafted input to the CLI. The attacker must be authenticated as a low-privileged user to execute the affected commands. A successful exploit could allow the attacker to execute commands with Administrator privileges.

Multiple vulnerabilities in Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for the Cisco 8000 Series Routers could allow an authenticated, local attacker to execute unsigned code during the boot process on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Multiple vulnerabilities in Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for the Cisco 8000 Series Routers could allow an authenticated, local attacker to execute unsigned code during the boot process on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

A vulnerability in virtualization channel messaging in Cisco Webex Meetings Desktop App for Windows could allow a local attacker to execute arbitrary code on a targeted system. This vulnerability occurs when this app is deployed in a virtual desktop environment and using virtual environment optimization. This vulnerability is due to improper validation of messages processed by the Cisco Webex Meetings Desktop App. A local attacker with limited privileges could exploit this vulnerability by sending malicious messages to the affected software by using the virtualization channel interface. A successful exploit could allow the attacker to modify the underlying operating system configuration, which could allow the attacker to execute arbitrary code with the privileges of a targeted user. Note: This vulnerability can be exploited only when Cisco Webex Meetings Desktop App is in a virtual desktop environment on a hosted virtual desktop (HVD) and is configured to use the Cisco Webex Meetings virtual desktop plug-in for thin clients.

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows remote attackers to compute password-of-the-day values via unspecified vectors.

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421733-160420a-CMCST); Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST); Cisco DPC3939B (firmware version dpc3939b-v303r204217-150321a-CMCST); Cisco DPC3941T (firmware version DPC3941_2.5s3_PROD_sey); and Arris TG1682G (eMTA&DOCSIS version 10.0.132.SIP.PC20.CT, software version TG1682_2.2p7s2_PROD_sey) devices does not include the HTTPOnly flag in a Set-Cookie header for administration applications, which makes it easier for remote attackers to obtain potentially sensitive information via script access to cookies.

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows local users (e.g., users who have command access as a consequence of CVE-2017-9479 exploitation) to read arbitrary files via UPnP access to /var/IGD/.

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421733-160420a-CMCST) and DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows remote attackers to discover a CM MAC address by sniffing Wi-Fi traffic and performing simple arithmetic calculations.

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) and DPC3941T (firmware version DPC3941_2.5s3_PROD_sey) devices allows remote attackers to discover a WAN IPv6 IP address by leveraging knowledge of the CM MAC address.

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421733-160420a-CMCST) and DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows remote attackers to discover the CM MAC address by connecting to the device's xfinitywifi hotspot.

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421733-160420a-CMCST); Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST); Cisco DPC3939B (firmware version dpc3939b-v303r204217-150321a-CMCST); Cisco DPC3941T (firmware version DPC3941_2.5s3_PROD_sey); and Arris TG1682G (eMTA&DOCSIS version 10.0.132.SIP.PC20.CT, software version TG1682_2.2p7s2_PROD_sey) devices does not set the secure flag for cookies in an https session to an administration application, which makes it easier for remote attackers to capture these cookies by intercepting their transmission within an http session.

Cisco Clean Access (CCA) 3.5.x through 3.5.9 and 3.6.x through 3.6.1.1 on the Clean Access Manager (CAM) allows remote attackers to bypass authentication and download arbitrary manual database backups by guessing the snapshot filename using brute force, then making a direct request for the file.

A vulnerability in the web interface of Cisco Elastic Services Controllers could allow an authenticated, remote attacker to access sensitive system credentials that are stored in an affected system. More Information: CSCvd76339. Known Affected Releases: 2.2(9.76).

A vulnerability in the ConfD server of the Cisco Elastic Services Controller (ESC) could allow an authenticated, remote attacker to acquire sensitive system information. The vulnerability is due to insufficient protection of sensitive files on the system. An attacker could exploit this vulnerability by logging into the ConfD server and executing certain commands. An exploit could allow an unprivileged user to view configuration parameters that can be maliciously used. Cisco Bug IDs: CSCvd76409. Known Affected Releases: 2.3, 2.3(2).

A vulnerability in the ConfD server in Cisco Ultra Services Platform could allow an authenticated, local attacker to view sensitive information. More Information: CSCvd29398. Known Affected Releases: 21.0.v0.65839.

A vulnerability in the logging subsystem of the Cisco Prime Collaboration Provisioning tool could allow an unauthenticated, local attacker to acquire sensitive information. More Information: CSCvd07260. Known Affected Releases: 12.1.

A vulnerability in the Elastic Services Controller (ESC) web interface of the Cisco Ultra Services Platform could allow an authenticated, remote attacker to acquire 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. An exploit could allow the attacker to view information regarding the Ultra Services Platform deployment. Cisco Bug IDs: CSCvd76406. Known Affected Releases: 21.0.v0.65839.

A vulnerability in the file system of Cisco Elastic Services Controllers could allow an authenticated, local attacker to gain access to sensitive user credentials that are stored in an affected system. More Information: CSCvd73677. Known Affected Releases: 2.3(2).

A vulnerability in the web interface of Cisco Remote Expert Manager Software 11.0.0 could allow an unauthenticated, remote attacker to access sensitive Temporary File information on an affected system. The vulnerability exists because the affected software does not sufficiently protect sensitive data when responding to HTTP requests that are sent to the web interface of the software. An attacker could exploit this vulnerability by sending crafted HTTP requests to the web interface of the software on an affected system. A successful exploit could allow the attacker to access sensitive information about the software. The attacker could use this information to conduct additional reconnaissance attacks. Cisco Bug IDs: CSCvc52875.

A vulnerability in the Cisco Finesse Notification Service for Cisco Unified Contact Center Enterprise (UCCE) 11.5(1) and 11.6(1) could allow an unauthenticated, remote attacker to retrieve information from agents using the Finesse Desktop. The vulnerability is due to the existence of a user account that has an undocumented, hard-coded password. An attacker could exploit this vulnerability by using the hard-coded credentials to subscribe to the Finesse Notification Service, which would allow the attacker to receive notifications when an agent signs in or out of the Finesse Desktop, when information about an agent changes, or when an agent's state changes. Cisco Bug IDs: CSCvc08314.

A vulnerability in the web interface of Cisco Remote Expert Manager Software 11.0.0 could allow an unauthenticated, remote attacker to access sensitive Virtual Directory information on an affected system. The vulnerability exists because the affected software does not sufficiently protect sensitive data when responding to HTTP requests that are sent to the web interface of the software. An attacker could exploit this vulnerability by sending crafted HTTP requests to the web interface of the software on an affected system. A successful exploit could allow the attacker to access sensitive information about the software. The attacker could use this information to conduct additional reconnaissance attacks. Cisco Bug IDs: CSCvc52858.

A vulnerability in the symbolic link (symlink) creation functionality of the AutoVNF tool for the Cisco Ultra Services Framework could allow an unauthenticated, remote attacker to read sensitive files or execute malicious code on an affected system. The vulnerability is due to the absence of validation checks for the input that is used to create symbolic links. This vulnerability affects all releases of the Cisco Ultra Services Framework prior to Releases 5.0.3 and 5.1. Cisco Bug IDs: CSCvc76654.

A vulnerability in the web interface of Cisco Remote Expert Manager Software 11.0.0 could allow an unauthenticated, remote attacker to access sensitive Order information on an affected system. The vulnerability exists because the affected software does not sufficiently protect sensitive data when responding to HTTP requests that are sent to the web interface of the software. An attacker could exploit this vulnerability by sending crafted HTTP requests to the web interface of the software on an affected system. A successful exploit could allow the attacker to access sensitive information about the software. The attacker could use this information to conduct additional reconnaissance attacks. Cisco Bug IDs: CSCvc52866 CSCvc52868.

A vulnerability in the file-download feature of the web user interface for Cisco FindIT Network Probe Software 1.0.0 could allow an authenticated, remote attacker to download and view any system file by using the affected software. The vulnerability is due to the absence of role-based access control (RBAC) for file-download requests that are sent to the affected software. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected software. A successful exploit could allow the attacker to download and view any system file by using the affected software. Cisco Bug IDs: CSCvd11628.

Cisco Prime Data Center Network Manager (DCNM) before 6.2(1) allows remote attackers to read arbitrary text files via an XML external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue, aka Bug ID CSCud80148.

A vulnerability in the web interface of Cisco Remote Expert Manager Software 11.0.0 could allow an unauthenticated, remote attacker to access sensitive information on an affected system. The vulnerability exists because the affected software does not sufficiently protect sensitive data when responding to HTTP requests that are sent to the web interface of the software. An attacker could exploit this vulnerability by sending crafted HTTP requests to the web interface of the software on an affected system. A successful exploit could allow the attacker to access sensitive information about the software. The attacker could use this information to conduct additional reconnaissance attacks. Cisco Bug IDs: CSCvc52856.

A vulnerability in SNMP polling for the Cisco Web Security Appliance (WSA), Email Security Appliance (ESA), and Content Security Management Appliance (SMA) could allow an authenticated, remote attacker to discover confidential information about the appliances that should be available only to an administrative user. The vulnerability occurs because the appliances do not protect confidential information at rest in response to Simple Network Management Protocol (SNMP) poll requests. An attacker could exploit this vulnerability by doing a crafted SNMP poll request to the targeted security appliance. An exploit could allow the attacker to discover confidential information that should be restricted, and the attacker could use this information to conduct additional reconnaissance. The attacker must know the configured SNMP community string to exploit this vulnerability. Cisco Bug IDs: CSCve26106, CSCve26202, CSCve26224. Known Affected Releases: 10.0.0-230 (Web Security Appliance), 9.7.2-065 (Email Security Appliance), and 10.1.0-037 (Content Security Management Appliance).

A vulnerability in the web interface of the Cisco RV340, RV345, and RV345P Dual WAN Gigabit VPN Routers could allow an unauthenticated, remote attacker to access sensitive data. The attacker could use this information to conduct additional reconnaissance attacks. The vulnerability is due to Cisco WebEx Meetings not sufficiently protecting sensitive data when responding to an HTTP request to the web interface. An attacker could exploit the vulnerability by attempting to use the HTTP protocol and looking at the data in the HTTP responses from the Cisco WebEx Meetings Server. An exploit could allow the attacker to find sensitive information about the application. Cisco Bug IDs: CSCve37988. Known Affected Releases: firmware 1.0.0.30, 1.0.0.33, 1.0.1.9, 1.0.1.16.