Cisco IP Phone Stored Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of a small subset of Cisco IP Phones could allow an authenticated, remote attacker to conduct a stored cross-site scripting XSS attack against a user of the interface on an affected device. This vulnerability is due to insufficient validation ...

Cisco Identity Services Engine Vulnerabilities

Multiple vulnerabilities in Cisco Identity Services Engine ISE could allow an authenticated, remote attacker to upload malicious files to the web root of the application or conduct a cross-site scripting XSS attack against a user of the web-based management interface of an affected device. To...

Cisco Secure Client Software Denial of Service Vulnerabilities

Multiple vulnerabilities in Cisco Secure Client Software, formerly AnyConnect Secure Mobility Client, could allow an authenticated, local attacker to cause a denial of service DoS condition on an affected system. These vulnerabilities are due to an out-of-bounds memory read from Cisco Secure Clie...

Cisco Secure Endpoint for Windows Scanning Evasion Vulnerability

A vulnerability in the endpoint software of Cisco Secure Endpoint for Windows could allow an authenticated, local attacker to evade endpoint protection within a limited time window. This vulnerability is due to a timing issue that occurs between various software components. An attacker could...

Cisco AppDynamics PHP Agent Privilege Escalation Vulnerability

A vulnerability in the installer script of Cisco AppDynamics PHP Agent could allow an authenticated, local attacker to elevate privileges on an affected device. This vulnerability is due to insufficient permissions that are set by the PHP Agent Installer on the PHP Agent install directory. An...

Cisco Identity Services Engine Command Injection Vulnerabilities

Multiple vulnerabilities in Cisco Identity Services Engine ISE could allow an authenticated, local attacker to perform command injection attacks on the underlying operating system and elevate privileges to root. To exploit these vulnerabilities, an attacker must have valid credentials on an...

Multiple Cisco Products Snort FTP Inspection Bypass Vulnerability

Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. This vulnerability is due to a flaw in the FTP module of the Snort detection engine. An attacker coul...

Cisco Firepower Management Center Software Command Injection Vulnerability

A vulnerability in the web services interface of Cisco Firepower Management Center FMC Software could allow an authenticated, remote attacker to execute certain unauthorized configuration commands on a Firepower Threat Defense FTD device that is managed by the FMC Software. This vulnerability is...

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Remote Access VPN Denial of Service Vulnerability

A vulnerability in the remote access VPN feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to imprope...

Cisco Firepower Threat Defense Software for Cisco Firepower 2100 Series Firewalls Inspection Rules Denial of Service Vulnerability

A vulnerability in the internal packet processing of Cisco Firepower Threat Defense FTD Software for Cisco Firepower 2100 Series Firewalls could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper handli...

Cisco Firepower Threat Defense Software Snort 3 Geolocation IP Filter Bypass Vulnerability

A vulnerability in the IP geolocation rules of Snort 3 could allow an unauthenticated, remote attacker to potentially bypass IP address restrictions. This vulnerability exists because the configuration for IP geolocation rules is not parsed properly. An attacker could exploit this vulnerability b...

Cisco Firepower Threat Defense Software and Cisco FirePOWER Services ICMPv6 with Snort 2 Denial of Service Vulnerability

A vulnerability in ICMPv6 inspection when configured with the Snort 2 detection engine for Cisco Firepower Threat Defense FTD Software or Cisco FirePOWER Services could allow an unauthenticated, remote attacker to cause the CPU of an affected device to spike to 100 percent, which could stop all...

Cisco Firepower Threat Defense Software SMB Protocol Snort 3 Detection Engine Bypass and Denial of Service Vulnerability

A vulnerability in the interaction between the Server Message Block SMB protocol preprocessor and the Snort 3 detection engine for Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass the configured policies or cause a denial of service DoS conditi...

Cisco Firepower Management Center Software Log API Denial of Service Vulnerability

A vulnerability in a logging API in Cisco Firepower Management Center FMC Software could allow an unauthenticated, remote attacker to cause the device to become unresponsive or trigger an unexpected reload. This vulnerability could also allow an attacker with valid user credentials, but not...

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software AnyConnect SSL/TLS VPN Denial of Service Vulnerability

A vulnerability in the AnyConnect SSL VPN feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to an...

Cisco Identity Services Engine Vulnerabilities

Multiple vulnerabilities in Cisco Identity Services Engine ISE could allow an attacker to upload arbitrary files or disable Cisco Discovery Protocol CDP processing on an affected device. For more information about these vulnerabilities, see the Details "details" section of this advisory. Cisco ha...

Cisco Firepower Threat Defense Software SSL and Snort 3 Detection Engine Bypass and Denial of Service Vulnerability

A vulnerability in the SSL/TLS certificate handling of Snort 3 Detection Engine integration with Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the Snort 3 detection engine to restart. This vulnerability is due to a logic error that occurs whe...

Cisco Firepower Management Center Software Command Injection Vulnerabilities

Multiple vulnerabilities in the web-based management interface of Cisco Firepower Management Center FMC Software could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system. To exploit these vulnerabilities, the attacker must have valid device...

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software SAML Assertion Hijack Vulnerability

A vulnerability in the implementation of Security Assertion Markup Language SAML 2.0 single sign-on SSO for remote access VPN in Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to intercept the SAML...

Cisco Firepower Management Center Software Arbitrary File Download Vulnerability

A vulnerability in the file download feature of Cisco Firepower Management Center FMC Software could allow an authenticated, remote attacker to download arbitrary files from an affected system. This vulnerability is due to a lack of input sanitation. An attacker could exploit this vulnerability b...

Multiple Cisco Products Snort 3 Access Control Policy Bypass Vulnerability

Multiple Cisco products are affected by a vulnerability in Snort access control policies that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. This vulnerability is due to a logic error that occurs when the access control policies are being...

Cisco Firepower Threat Defense Software SSL/TLS URL Category and Snort 3 Detection Engine Bypass and Denial of Service Vulnerability

A vulnerability in the SSL file policy implementation of Cisco Firepower Threat Defense FTD Software that occurs when the SSL/TLS connection is configured with a URL Category and the Snort 3 detection engine could allow an unauthenticated, remote attacker to cause the Snort 3 detection engine to...

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software AnyConnect Access Control List Bypass Vulnerabilities

Multiple vulnerabilities in the per-user-override feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass a configured access control list ACL and allow traffic that should be denied to flo...

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software ICMPv6 Message Processing Denial of Service Vulnerability

A vulnerability in ICMPv6 processing of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. This vulnerability is due to improper processing of ICMPv6 messages. A...

Cisco Meeting Server Web Bridge Denial of Service Vulnerability

A vulnerability in an API of the Web Bridge feature of Cisco Meeting Server could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. This vulnerability is due to insufficient validation of HTTP requests. An attacker could exploit this vulnerability by sending...

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Remote Access SSL VPN Multiple Certificate Authentication Bypass Vulnerability

A vulnerability in the remote access SSL VPN feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an authenticated, remote attacker to bypass a configured multiple certificate authentication policy and connect using only a valid...

Cisco Firepower Threat Defense Software and Firepower Management Center Software Code Injection Vulnerability

A vulnerability in the inter-device communication mechanisms between devices that are running Cisco Firepower Threat Defense FTD Software and devices that are running Cisco Firepower Management FMC Software could allow an authenticated, local attacker to execute arbitrary commands with root...

Cisco Firepower Threat Defense Software Snort 3 Detection Engine Denial of Service Vulnerability

A vulnerability in the TLS 1.3 implementation of the Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the Snort 3 detection engine to unexpectedly restart. This vulnerability is due to a logic error in how memory allocations are handled during a...

Cisco Firepower Management Center Software Cross-Site Scripting Vulnerabilities

Multiple vulnerabilities in the web-based management interface of Cisco Firepower Management Center FMC Software could allow an unauthenticated, remote attacker to conduct a stored cross-site scripting XSS attack against a user of the interface of an affected device. These vulnerabilities are due...

Cisco Catalyst SD-WAN Manager Local File Inclusion Vulnerability

A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to retrieve arbitrary files from an affected system. This vulnerability is due to improper validation of parameters that are sent to the web UI. An attacker could exploit this vulnerabilit...

HTTP/2 Rapid Reset Attack Affecting Cisco Products: October 2023

On October 10, 2023, the following HTTP/2 protocol-level weakness, which enables a novel distributed denial of service DDoS attack technique, was disclosed: CVE-2023-44487: HTTP/2 Rapid Reset For a description of this vulnerability, see the following publications: How it works: The novel HTTP/2...

Multiple Vulnerabilities in Cisco IOS XE Software Web UI Feature

Cisco is providing an update for the ongoing investigation into observed exploitation of the web UI feature in Cisco IOS XE Software. We are updating the list of fixed releases and adding the Software Checker. Fix information can be found in the Fixed Software "fs" section of this advisory. Our...

cURL and libcurl Vulnerability Affecting Cisco Products: October 2023

On October 11, 2023, cURL released Version 8.4.0 of the cURL utility and the libcurl library. This release addressed two security vulnerabilities: CVE-2023-38545 – High Security Impact Rating SIR CVE-2023-38546 – Low SIR This advisory covers CVE-2023-38545 only. For more information about this...

Cisco IOx Application Hosting Environment Privilege Escalation Vulnerability

A vulnerability in the on-device application development workflow feature for the Cisco IOx application hosting infrastructure in Cisco IOS XE Software could allow an authenticated, remote attacker to access the underlying operating system as the root user. This vulnerability exists because Docke...

Multiple Cisco Unified Communications Products Unauthenticated API High CPU Utilization Denial of Service Vulnerability

A vulnerability in an API endpoint of multiple Cisco Unified Communications Products could allow an unauthenticated, remote attacker to cause high CPU utilization, which could impact access to the web-based management interface and cause delays with call processing. This API is not used for devic...

Cisco Emergency Responder Static Credentials Vulnerability

A vulnerability in Cisco Emergency Responder could allow an unauthenticated, remote attacker to log in to an affected device using the root account, which has default, static credentials that cannot be changed or deleted. This vulnerability is due to the presence of static user credentials for th...

Cisco DNA Center API Insufficient Access Control Vulnerability

A vulnerability in Cisco DNA Center could allow an unauthenticated, remote attacker to read and modify data in a repository that belongs to an internal service on an affected device. This vulnerability is due to insufficient access control enforcement on API requests. An attacker could exploit th...

Cisco Catalyst 9100 Access Points Denial of Service Vulnerability

A vulnerability in the networking component of Cisco access point AP software could allow an unauthenticated, remote attacker to cause a temporary disruption of service. This vulnerability is due to overuse of AP resources. An attacker could exploit this vulnerability by connecting to an AP on an...

Cisco Access Point Software Uncontrolled Resource Consumption Vulnerability

A vulnerability in the packet processing functionality of Cisco access point AP software could allow an unauthenticated, adjacent attacker to exhaust resources on an affected device. This vulnerability is due to insufficient management of resources when handling certain types of traffic. An...

Cisco Catalyst SD-WAN Manager Web UI HTML Injection Vulnerability

A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an authenticated, remote attacker to inject HTML content. This vulnerability is due to improper validation of user-supplied data in element fields. An attacker could...

Cisco IOS XE Software for ASR 1000 Series Aggregation Services Routers IPv6 Multicast Denial of Service Vulnerability

A vulnerability in the Multicast Leaf Recycle Elimination mLRE feature of Cisco IOS XE Software for Cisco ASR 1000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause the affected device to reload, resulting in a denial of service DoS condition. This...

Cisco IOS XE Software Web UI Command Injection Vulnerability

A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to perform an injection attack against an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted input to the...

Cisco IOS XE Software for Catalyst 3650 and Catalyst 3850 Series Switches Denial of Service Vulnerability

A vulnerability in Cisco IOS XE Software for Cisco Catalyst 3650 and Catalyst 3850 Series Switches could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service DoS condition. This vulnerability is due to improper resource...

Cisco IOS XE Software Application Quality of Experience and Unified Threat Defense Denial of Service Vulnerability

A vulnerability in Application Quality of Experience AppQoE and Unified Threat Defense UTD on Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service DoS condition. This vulnerability is due to the...

Cisco Wireless LAN Controller AireOS Software Denial of Service Vulnerability

A vulnerability in the memory buffer of Cisco Wireless LAN Controller WLC AireOS Software could allow an unauthenticated, adjacent attacker to cause memory leaks that could eventually lead to a device reboot. This vulnerability is due to memory leaks caused by multiple clients connecting under...

Cisco IOS XE Software for Wireless LAN Controllers Wireless Network Control Denial of Service Vulnerability

A vulnerability in the Wireless Network Control daemon wncd of Cisco IOS XE Software for Wireless LAN Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition. This vulnerability is due to improper memory management. An attacker could exploit this...

Cisco IOS XE Software Layer 2 Tunneling Protocol Denial of Service Vulnerability

A vulnerability in the Layer 2 Tunneling Protocol L2TP feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper handling of certain L2TP packets. An attacker could explo...

Cisco IOS and IOS XE Software Command Authorization Bypass Vulnerability

A vulnerability in the Authentication, Authorization, and Accounting AAA feature of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to bypass command authorization and copy files to or from the file system of an affected device using the Secure Copy...

Cisco IOS and IOS XE Software Cisco Group Encrypted Transport VPN Software Out-of-Bounds Write Vulnerability

A vulnerability in the Cisco Group Encrypted Transport VPN GET VPN feature of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker who has administrative control of either a group member or a key server to execute arbitrary code on an affected device or cause...

Cisco Catalyst SD-WAN Manager Vulnerabilities

Multiple vulnerabilities in Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an attacker to access an affected instance or cause a denial of service DoS condition on an affected system. For more information about these vulnerabilities, see the Details "details" section of...