Cisco VPN 3000 Concentrator 2.2.x, and 3.x before 3.5.1, allows restricted administrators to obtain user passwords that are stored in plaintext in HTML source code.

Cross-site scripting vulnerability in CiscoSecure ACS 3.0 allows remote attackers to execute arbitrary script or HTML as other web users via the action argument in a link to setup.exe.

Multiple vulnerabilities in Cisco SD-WAN products could allow an unauthenticated, remote attacker to execute attacks against an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Multiple vulnerabilities in Cisco SD-WAN products could allow an unauthenticated, remote attacker to execute attacks against an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Cisco IOS Firewall Feature set, aka Context Based Access Control (CBAC) or Cisco Secure Integrated Software, for IOS 11.2P through 12.2T does not properly check the IP protocol type, which could allow remote attackers to bypass access control lists.

Cisco switches and routers running CBOS 2.3.8 and earlier use predictable TCP Initial Sequence Numbers (ISN), which allows remote attackers to spoof or hijack TCP connections.

A vulnerability in the interdevice communications interface of the Cisco IP Interoperability and Collaboration System (IPICS) Universal Media Services (UMS) could allow an unauthenticated, remote attacker to modify configuration parameters of the UMS and cause the system to become unavailable. Affected Products: This vulnerability affects Cisco IPICS releases 4.8(1) to 4.10(1). More Information: CSCva46644. Known Affected Releases: 4.10(1) 4.8(1) 4.8(2) 4.9(1) 4.9(2).

The mailguard feature in Cisco Secure PIX Firewall 5.2(2) and earlier does not properly restrict access to SMTP commands, which allows remote attackers to execute restricted commands by sending a DATA command before sending the restricted commands.

A vulnerability in the Transaction Language 1 (TL1) code of Cisco ASR 900 Series routers could allow an unauthenticated, remote attacker to cause a reload of, or remotely execute code on, the affected system. This vulnerability affects Cisco ASR 900 Series Aggregation Services Routers (ASR902, ASR903, and ASR907) that are running the following releases of Cisco IOS XE Software: 3.17.0S 3.17.1S 3.17.2S 3.18.0S 3.18.1S. More Information: CSCuy15175. Known Affected Releases: 15.6(1)S 15.6(2)S. Known Fixed Releases: 15.6(1)S2.12 15.6(1.17)S0.41 15.6(1.17)SP 15.6(2)SP 16.4(0.183) 16.5(0.10).

By design, the "established" command on the Cisco PIX firewall allows connections from one host to arbitrary ports of a target host if an alternative conduit has already been allowed, which can cause administrators to configure less restrictive access controls than intended if they do not understand this functionality.

The default configuration of IOS HTTP server in Cisco Router Web Setup (CRWS) before 3.3.0 build 31 does not require credentials, which allows remote attackers to access the server with arbitrary privilege levels, aka bug CSCsa78190.

Cisco routers 9.17 and earlier allow remote attackers to bypass security restrictions via certain IP source routed packets that should normally be denied using the "no ip source-route" command.

A vulnerability in the Session Description Protocol (SDP) parser of Cisco Meeting Server could allow an unauthenticated, remote attacker to execute arbitrary code on an affected system. This vulnerability affects the following products: Cisco Meeting Server releases prior to Release 2.0.3, Acano Server releases 1.9.x prior to Release 1.9.5, Acano Server releases 1.8.x prior to Release 1.8.17. More Information: CSCva76004. Known Affected Releases: 1.8.x 1.92.0.

The HTTP server in Cisco 7xx series routers 3.2 through 4.2 is enabled by default, which allows remote attackers to change the router's configuration.

A vulnerability in the web-based graphical user interface (GUI) of Cisco Prime Home could allow an unauthenticated, remote attacker to bypass authentication. The attacker could be granted full administrator privileges. Cisco Prime Home versions 5.1.1.6 and earlier and 5.2.2.2 and earlier have been confirmed to be vulnerable. Cisco Prime Home versions 6.0 and later are not vulnerable. More Information: CSCvb71732. Known Affected Releases: 5.0 5.0(1) 5.0(1.1) 5.0(1.2) 5.0(2) 5.15.1(0) 5.1(1) 5.1(1.3) 5.1(1.4) 5.1(1.5) 5.1(1.6) 5.1(2) 5.1(2.1) 5.1(2.3) 5.25.2(0.1) 5.2(1.0) 5.2(1.2) 5.2(2.0) 5.2(2.1) 5.2(2.2).

Cisco Cloud Services Platform (CSP) 2100 2.0 allows remote attackers to execute arbitrary code via a crafted dnslookup command in an HTTP request, aka Bug ID CSCuz89093.

Cisco Secure ACS does not require authentication when Cisco Trust Agent (CTA) transmits posture information, which might allow remote attackers to gain network access via a spoofed Network Endpoint Assessment posture, aka "NACATTACK." NOTE: this attack might be limited to authenticated users and devices.

Multiple vulnerabilities in the web-based management interface of the Cisco Catalyst Passive Optical Network (PON) Series Switches Optical Network Terminal (ONT) could allow an unauthenticated, remote attacker to perform the following actions: Log in with a default credential if the Telnet protocol is enabled Perform command injection Modify the configuration For more information about these vulnerabilities, see the Details section of this advisory.

Buffer overflow in decode.cpp in Cisco OpenH264 1.2.0 and earlier allows remote attackers to execute arbitrary code via an encoded media file.

Cisco Clean Access (CCA) 3.3.0 to 3.3.9, 3.4.0 to 3.4.5, and 3.5.0 to 3.5.3 does not properly authenticate users when invoking API methods, which could allow remote attackers to bypass security checks, change the assigned role of a user, or disconnect users.

Cisco devices running Application and Content Networking System (ACNS) 4.x, 5.0, 5.1, or 5.2 use a default password when the setup dialog has not been run, which allows remote attackers to gain access.

Cisco Secure Access Control Server (ACS) 3.2(3) and earlier spawns a separate unauthenticated TCP connection on a random port when a user authenticates to the ACS GUI, which allows remote attackers to bypass authentication by connecting to that port from the same IP address.

Cisco Prime Infrastructure 1.2.0 through 2.2(2) and Cisco Evolved Programmable Network Manager (EPNM) 1.2 allow remote attackers to execute arbitrary code via crafted deserialized data in an HTTP POST request, aka Bug ID CSCuw03192.

Cisco UCS Invicta C3124SA Appliance 4.3.1 through 5.0.1, UCS Invicta Scaling System and Appliance, and Whiptail Racerunner improperly store a default SSH private key, which allows remote attackers to obtain root access via unspecified vectors, aka Bug ID CSCun71294.

Cisco Unified Computing System (UCS) Central Software 1.3(1b) and earlier allows remote attackers to execute arbitrary OS commands via a crafted HTTP request, aka Bug ID CSCuv33856.

Cisco NX-OS 7.0(1)N1(1), 7.0(1)N1(3), and 7.0(4)N1(1) on Nexus 2000 Fabric Extender devices has a blank root password, which allows local users to gain privileges via unspecified vectors, aka Bug ID CSCur22079.

The API in Cisco Prime Infrastructure 1.2 through 3.0 and Evolved Programmable Network Manager (EPNM) 1.2 allows remote attackers to execute arbitrary code or obtain sensitive management information via a crafted HTTP request, as demonstrated by discovering managed-device credentials, aka Bug ID CSCuy10231.

Cisco Small Business 220 devices with firmware before 1.0.1.1 have a hardcoded SNMP community, which allows remote attackers to read or modify SNMP objects by leveraging knowledge of this community, aka Bug ID CSCuz76216.

The web-based management interface on Cisco RV110W devices with firmware before 1.2.1.7, RV130W devices with firmware before 1.0.3.16, and RV215W devices with firmware before 1.3.0.8 allows remote attackers to execute arbitrary code as root via a crafted HTTP request, aka Bug ID CSCux82428.

Multiple vulnerabilities in the web-based management interface of the Cisco Catalyst Passive Optical Network (PON) Series Switches Optical Network Terminal (ONT) could allow an unauthenticated, remote attacker to perform the following actions: Log in with a default credential if the Telnet protocol is enabled Perform command injection Modify the configuration For more information about these vulnerabilities, see the Details section of this advisory.

Cisco Firepower System Software 6.0.0 through 6.1.0 has a hardcoded account, which allows remote attackers to obtain CLI access by leveraging knowledge of the password, aka Bug ID CSCuz56238.

Cisco Prime Network Analysis Module (NAM) before 6.1(1) patch.6.1-2-final and 6.2.x before 6.2(1) and Prime Virtual Network Analysis Module (vNAM) before 6.1(1) patch.6.1-2-final and 6.2.x before 6.2(1) allow remote attackers to execute arbitrary OS commands via a crafted HTTP request, aka Bug ID CSCuy21882.

The XML API in TelePresence Codec (TC) 7.2.0, 7.2.1, 7.3.0, 7.3.1, 7.3.2, 7.3.3, 7.3.4, and 7.3.5 and Collaboration Endpoint (CE) 8.0.0, 8.0.1, and 8.1.0 in Cisco TelePresence Software mishandles authentication, which allows remote attackers to execute control commands or make configuration changes via an API request, aka Bug ID CSCuz26935.

Cisco Prime Collaboration Provisioning 10.6 SP2 (aka 10.6.0.10602) mishandles LDAP authentication, which allows remote attackers to obtain administrator privileges via a crafted login attempt, aka Bug ID CSCuv37513.

Buffer overflow in the web server on Cisco DPC2203 and EPC2203 devices with firmware r1_customer_image allows remote attackers to execute arbitrary code via a crafted HTTP request, aka Bug ID CSCuv05935.

Buffer overflow in the IKEv1 and IKEv2 implementations in Cisco ASA Software before 8.4(7.30), 8.7 before 8.7(1.18), 9.0 before 9.0(4.38), 9.1 before 9.1(7), 9.2 before 9.2(4.5), 9.3 before 9.3(3.7), 9.4 before 9.4(2.4), and 9.5 before 9.5(2.2) on ASA 5500 devices, ASA 5500-X devices, ASA Services Module for Cisco Catalyst 6500 and Cisco 7600 devices, ASA 1000V devices, Adaptive Security Virtual Appliance (aka ASAv), Firepower 9300 ASA Security Module, and ISA 3000 devices allows remote attackers to execute arbitrary code or cause a denial of service (device reload) via crafted UDP packets, aka Bug IDs CSCux29978 and CSCux42019.

Multiple vulnerabilities in the web management interface of Cisco Small Business 220 Series Smart Switches could allow an unauthenticated, remote attacker to overflow a buffer, which then allows the execution of arbitrary code with root privileges on the underlying operating system. The vulnerabilities are due to insufficient validation of user-supplied input and improper boundary checks when reading data into an internal buffer. An attacker could exploit these vulnerabilities by sending malicious requests to the web management interface of an affected device. Depending on the configuration of the affected switch, the malicious requests must be sent via HTTP or HTTPS.

A vulnerability in the REST API interface of Cisco Vision Dynamic Signage Director could allow an unauthenticated, remote attacker to bypass authentication on an affected system. The vulnerability is due to insufficient validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected system. A successful exploit could allow the attacker to execute arbitrary actions through the REST API with administrative privileges on the affected system. The REST API is enabled by default and cannot be disabled.

A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data could allow an unauthenticated, remote attacker to bypass user authentication and gain access as an administrative user. The vulnerability is due to insufficient request header validation during the authentication process. An attacker could exploit this vulnerability by sending a series of malicious requests to an affected device. An exploit could allow the attacker to gain full administrative access to the affected device.

A vulnerability in the web-based management interface of Cisco UCS Director and Cisco UCS Director Express for Big Data could allow an unauthenticated, remote attacker to bypass authentication and execute arbitrary actions with administrator privileges on an affected system. The vulnerability is due to improper authentication request handling. An attacker could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow an unprivileged attacker to access and execute arbitrary actions through certain APIs.

A vulnerability in the SSH key management for the Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode Switch Software could allow an unauthenticated, remote attacker to connect to the affected system with the privileges of the root user. The vulnerability is due to the presence of a default SSH key pair that is present in all devices. An attacker could exploit this vulnerability by opening an SSH connection via IPv6 to a targeted device using the extracted key materials. An exploit could allow the attacker to access the system with the privileges of the root user. This vulnerability is only exploitable over IPv6; IPv4 is not vulnerable.

A vulnerability in the web-based management interface of Cisco Data Center Network Manager (DCNM) could allow an unauthenticated, remote attacker to upload arbitrary files on an affected device. The vulnerability is due to incorrect permission settings in affected DCNM software. An attacker could exploit this vulnerability by uploading specially crafted data to the affected device. A successful exploit could allow the attacker to write arbitrary files on the filesystem and execute code with root privileges on the affected device.

A vulnerability in the web-based management interface of the Cisco RV110W Wireless-N VPN Firewall, Cisco RV130W Wireless-N Multifunction VPN Router, and Cisco RV215W Wireless-N VPN Router could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device. The vulnerability is due to improper validation of user-supplied data in the web-based management interface. An attacker could exploit this vulnerability by sending malicious HTTP requests to a targeted device. A successful exploit could allow the attacker to execute arbitrary code on the underlying operating system of the affected device as a high-privilege user. RV110W Wireless-N VPN Firewall versions prior to 1.2.2.1 are affected. RV130W Wireless-N Multifunction VPN Router versions prior to 1.0.3.45 are affected. RV215W Wireless-N VPN Router versions prior to 1.3.1.1 are affected.

A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) could allow an unauthenticated, remote attacker to bypass authentication and execute arbitrary actions with administrative privileges on an affected device. The vulnerability is due to improper handling of Lightweight Directory Access Protocol (LDAP) authentication responses from an external authentication server. An attacker could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to gain administrative access to the web-based management interface of the affected device.

A vulnerability in the web-based management interface of Cisco Data Center Network Manager (DCNM) could allow an unauthenticated, remote attacker to bypass authentication and execute arbitrary actions with administrative privileges on an affected device. The vulnerability is due to improper session management on affected DCNM software. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected device. A successful exploit could allow the attacker to gain administrative access on the affected device.

A vulnerability in the web-based management interface of Session Initiation Protocol (SIP) Software for Cisco IP Phone 7800 Series and Cisco IP Phone 8800 Series could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or execute arbitrary code. The vulnerability exists because the software improperly validates user-supplied input during user authentication. An attacker could exploit this vulnerability by connecting to an affected device using HTTP and supplying malicious user credentials. A successful exploit could allow the attacker to trigger a reload of an affected device, resulting in a DoS condition, or to execute arbitrary code with the privileges of the app user. Cisco fixed this vulnerability in the following SIP Software releases: 10.3(1)SR5 and later for Cisco Unified IP Conference Phone 8831; 11.0(4)SR3 and later for Cisco Wireless IP Phone 8821 and 8821-EX; and 12.5(1)SR1 and later for the rest of the Cisco IP Phone 7800 Series and 8800 Series.

A vulnerability in the sysadmin virtual machine (VM) on Cisco ASR 9000 Series Aggregation Services Routers running Cisco IOS XR 64-bit Software could allow an unauthenticated, remote attacker to access internal applications running on the sysadmin VM. The vulnerability is due to incorrect isolation of the secondary management interface from internal sysadmin applications. An attacker could exploit this vulnerability by connecting to one of the listening internal applications. A successful exploit could result in unstable conditions, including both a denial of service and remote unauthenticated access to the device. This vulnerability has been fixed in Cisco IOS XR 64-bit Software Release 6.5.3 and 7.0.1, which will edit the calvados_boostrap.cfg file and reload the device.

The Admin portal in Cisco Identity Services Engine (ISE) 1.1.x, 1.2.0 before patch 17, 1.2.1 before patch 8, 1.3 before patch 5, and 1.4 before patch 4 allows remote attackers to obtain administrative access via unspecified vectors, aka Bug ID CSCuw34253.

Cisco Wireless LAN Controller (WLC) devices with software 7.6.x, 8.0 before 8.0.121.0, and 8.1 before 8.1.131.0 allow remote attackers to change configuration settings via unspecified vectors, aka Bug ID CSCuw06153.

Cisco Aironet 1800 devices with software 7.2, 7.3, 7.4, 8.1(112.3), 8.1(112.4), and 8.1(15.14) have a default account, which makes it easier for remote attackers to obtain access via unspecified vectors, aka Bug ID CSCuw58062.