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 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...

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 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 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 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...

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...

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 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 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 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 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 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 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 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 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 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 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 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...

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...

Reports about Cyber Actors Hiding in Router Firmware

On September 27, 2023, the U.S. National Security Agency NSA, the U.S. Federal Bureau of Investigation FBI, the U.S. Cybersecurity and Infrastructure Security Agency CISA, the Japan National Police Agency NPA, and the Japan National Center of Incident Readiness and Strategy for Cybersecurity NISC...

Cisco IOS XR Software Image Verification Vulnerability

A vulnerability in Cisco IOS XR Software image verification checks could allow an authenticated, local attacker to execute arbitrary code on the underlying operating system. This vulnerability is due to a time-of-check, time-of-use TOCTOU race condition when an install query regarding an ISO imag...

Cisco IOS XR Software Access Control List Bypass Vulnerability

A vulnerability in the access control list ACL processing on MPLS interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to incomplete support for this feature. An attacker could exploit th...

Cisco IOS XR Software Compression ACL Bypass Vulnerability

A vulnerability in the classic access control list ACL compression feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass the protection that is offered by a configured ACL on an affected device. This vulnerability is due to incorrect destination address range...

Cisco IOS XR Software Connectivity Fault Management Denial of Service Vulnerability

A vulnerability in the Connectivity Fault Management CFM feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to incorrect processing of invalid continuity check messages CCMs. ...

Cisco IOS XR Software iPXE Boot Signature Bypass Vulnerability

A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device. This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating...

Cisco IOS XR Software Model-Driven Programmability Behavior with AAA Authorization

Cisco IOS XR Software supports a programmatic way of configuring and collecting operational data on a network device using data models. Data models provide access to the capabilities of the devices in a network using NETCONF or gRPC. According to Cisco IOS XR Software configuration guides, if...

Cisco Identity Services Engine RADIUS Denial of Service Vulnerability

A vulnerability in the RADIUS message processing feature of Cisco Identity Services Engine ISE could allow an unauthenticated, remote attacker to cause the affected system to stop processing RADIUS packets. This vulnerability is due to improper handling of certain RADIUS accounting requests. An...

Cisco BroadWorks Application Delivery Platform and Xtended Services Platform Authentication Bypass Vulnerability

A vulnerability in the single sign-on SSO implementation of Cisco BroadWorks Application Delivery Platform and Cisco BroadWorks Xtended Services Platform could allow an unauthenticated, remote attacker to forge the credentials required to access an affected system. This vulnerability is due to th...

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Remote Access VPN Unauthorized Access 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 conduct a brute force attack in an attempt to identify valid username and password combinations or ...

Cisco Identity Services Engine Privilege Escalation Vulnerabilities

Multiple vulnerabilities in Cisco Identity Services Engine ISE could allow an authenticated attacker to perform privilege escalation attacks to read or modify arbitrary files on the underlying operating system. To exploit these vulnerabilities, an attacker must have valid Administrator-level...

Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Stack Overflow Vulnerability

A vulnerability in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an authenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to improper validation of requests that are sent to the...

Cisco HyperFlex HX Data Platform Open Redirect Vulnerability

A vulnerability in the web-based management interface of Cisco HyperFlex HX Data Platform could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. This vulnerability is due to improper input validation of the parameters in an HTTP request. An attacker could...

Cisco Unified Communications Products Privilege Escalation Vulnerability

A vulnerability in Cisco Emergency Responder, Cisco Unified Communications Manager Unified CM, Cisco Unified Communications Manager Session Management Edition Unified CM SME, and Cisco Unity Connection could allow an authenticated, remote attacker to elevate privileges to root on an affected...

Cisco Nexus 3000 and 9000 Series Switches SFTP Server File Access Vulnerability

A vulnerability in the SFTP server implementation for Cisco Nexus 3000 Series Switches and 9000 Series Switches in standalone NX-OS mode could allow an authenticated, remote attacker to download or overwrite files from the underlying operating system of an affected device. This vulnerability is d...

Cisco Nexus 3000 and 9000 Series Switches IS-IS Protocol Denial of Service Vulnerability

A vulnerability in the Intermediate System-to-Intermediate System IS-IS protocol of Cisco NX-OS Software for the Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, adjacent attacker to cause the IS-IS process to...

Cisco Firepower 4100 Series, Firepower 9300 Security Appliances, and UCS 6300 Series Fabric Interconnects SNMP Denial of Service Vulnerability

A vulnerability in the Simple Network Management Protocol SNMP service of Cisco FXOS Software for Firepower 4100 Series and Firepower 9300 Security Appliances and of Cisco UCS 6300 Series Fabric Interconnects could allow an authenticated, remote attacker to cause a denial of service DoS condition...

Cisco FXOS Software Arbitrary File Write Vulnerability

A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to create a file or overwrite any file on the filesystem of an affected device, including system files. The vulnerability occurs because there is no validation of parameters when a specific CLI command ...

Cisco NX-OS Software TACACS+ or RADIUS Remote Authentication Directed Request Denial of Service Vulnerability

A vulnerability in TACACS+ and RADIUS remote authentication for Cisco NX-OS Software could allow an unauthenticated, local attacker to cause an affected device to unexpectedly reload. This vulnerability is due to incorrect input validation when processing an authentication attempt if the directed...

Cisco Application Policy Infrastructure Controller Unauthorized Policy Actions Vulnerability

A vulnerability in the restricted security domain implementation of Cisco Application Policy Infrastructure Controller APIC could allow an authenticated, remote attacker to read, modify, or delete non-tenant policies for example, access policies created by users associated with a different securi...

Cisco Intersight Private Virtual Appliance Command Injection Vulnerabilities

Multiple vulnerabilities in Cisco Intersight Private Virtual Appliance could allow an authenticated, remote attacker to execute arbitrary commands using root-level privileges. The attacker would need to have Administrator privileges on the affected device to exploit these vulnerabilities. These...

Cisco Prime Infrastructure and Evolved Programmable Network Manager Cross-Site Scripting Vulnerabilities

Multiple vulnerabilities in the web-based management interface of Cisco Prime Infrastructure and Cisco Evolved Programmable Network Manager EPNM 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...

Cisco ThousandEyes Enterprise Agent Virtual Appliance Privilege Escalation Vulnerability

A vulnerability in the CLI of Cisco ThousandEyes Enterprise Agent, Virtual Appliance installation type, could allow an authenticated, local attacker to elevate privileges on an affected device. This vulnerability is due to insufficient input validation by the operating system CLI. An attacker cou...

Cisco Unified Contact Center Express Finesse Portal Web Cache Poisoning Vulnerability

A vulnerability in the Tomcat implementation for Cisco Unified Contact Center Express Unified CCX could allow an unauthenticated, remote attacker to cause a web cache poisoning attack on an affected device. This vulnerability is due to improper input validation of HTTP requests. An attacker could...