Cisco Small Business 220 Series Smart Switches Remote Code Execution Vulnerabilities

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...

Cisco Webex Network Recording Player Arbitrary Code Execution Vulnerabilities

Multiple vulnerabilities in the Cisco Webex Network Recording Player for Microsoft Windows and the Cisco Webex Player for Microsoft Windows could allow an attacker to execute arbitrary code on an affected system. The vulnerabilities exist because the affected software improperly validates Advance...

Cisco IOS Software Catalyst 6500 Series 802.1x Authentication Bypass Vulnerability

A vulnerability in 802.1x function of Cisco IOS Software on the Catalyst 6500 Series Switches could allow an unauthenticated, adjacent attacker to access the network prior to authentication. The vulnerability is due to how the 802.1x packets are handled in the process path. An attacker could...

Cisco DNA Center Access Contract Stored Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco DNA Center could allow an authenticated, remote attacker to conduct a cross-site scripting XSS attack against a user of the web-based management interface of an affected device. The vulnerability is due to insufficient validation of...

Cisco Umbrella API Unauthorized Access Vulnerability

A vulnerability in the Cisco Umbrella API could allow an authenticated, remote attacker to view and modify data across their organization and other organizations. The vulnerability is due to insufficient authentication configurations for the API interface of Cisco Umbrella. An attacker could...

Cisco Webex Network Recording Players Denial of Service Vulnerabilities

Multiple vulnerabilities exist in the Cisco Webex Network Recording Player for Advanced Recording Format ARF and Webex Recording Format WRF files. An attacker could exploit these vulnerabilities by providing a user with a malicious .arf or .wrf file via email or URL and convincing the user to...

Cisco FXOS and NX-OS Software Unauthorized Administrator Account Vulnerability

A vulnerability in the write-erase feature of Cisco FXOS Software and Cisco NX-OS Software could allow an authenticated, local attacker to configure an unauthorized administrator account for an affected device. The vulnerability exists because the affected software does not properly delete...

Cisco IOS and IOS XE Software Internet Key Exchange Memory Leak Vulnerability

A vulnerability in the Internet Key Exchange Version 2 IKEv2 module of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a memory leak or a reload of an affected device that leads to a denial of service DoS condition. The vulnerability is due to...

Cisco Identity Services Engine Cross-Site Request Forgery Vulnerability

A vulnerability in the web-based management interface of Cisco Identity Services Engine ISE could allow an unauthenticated, remote attacker to conduct a cross-site request forgery CSRF attack and perform arbitrary actions on an affected device. The vulnerability is due to insufficient CSRF...

Cisco Prime Collaboration Provisioning Tool User Provisioning Tab Cross-Site Scripting Vulnerability

A vulnerability in the User Provisioning tab in the Cisco Prime Collaboration Provisioning Tool could allow an unauthenticated, remote attacker to conduct a cross-site scripting XSS attack. The vulnerability is due to improper input validation. An attacker could exploit this vulnerability by...

Cisco HyperFlex System Authenticated Information Disclosure Vulnerability

A vulnerability in system logging when replication is being configured with the Cisco HyperFlex System could allow an authenticated, local attacker to view sensitive information that should be restricted in the system log files. The attacker would have to be authenticated as an administrative use...

Cisco Unified Communications Manager SQL Injection Vulnerability

A vulnerability in the Cisco Unified Communications Manager web interface could allow an authenticated, remote attacker to impact the confidentiality of the system by executing arbitrary SQL queries. The attacker must be authenticated as an administrative user to execute SQL database queries. The...

Buffer Overflow Vulnerabilities in the Cisco WebEx Player

The Cisco WebEx Recording Format WRF player contains four buffer overflow vulnerabilities and the Cisco Advanced Recording Format ARF player contains one buffer overflow vulnerability. In some cases, exploitation of the vulnerabilities could allow a remote attacker to execute arbitrary code on th...

Cisco Unified Operations Manager Multiple Cross-Site Scripting Vulnerabilities

Cisco Unified Operations Manager contains multiple cross-site scripting vulnerabilities that could allow an unauthenticated, remote attacker to conduct cross-site scripting attacks. The vulnerability is due to insufficient validation of user-supplied input to certain scripts that make up the...

Cisco Unity Connection Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco Unity Connection could allow an authenticated, remote attacker to conduct a cross-site scripting XSS attack against a user of the interface. This vulnerability exists because the web-based management interface does not properly valida...

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...

Cisco IOS XE Software for Cisco Catalyst 9300 Series Switches Secure Boot Bypass Vulnerability

A vulnerability in Cisco IOS XE Software for Cisco Catalyst 9300 Series Switches could allow an authenticated, local attacker with level-15 privileges or an unauthenticated attacker with physical access to the device to execute persistent code at boot time and break the chain of trust. This...

Cisco Wireless LAN Controller AireOS Software FIPS Mode Denial of Service Vulnerability

A vulnerability in the authentication functionality of Cisco Wireless LAN Controller WLC AireOS Software could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to insufficient error validation. An attacker coul...

Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers Application Visibility and Control Denial of Service Vulnerability

A vulnerability in the Application Visibility and Control AVC-FNF feature of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to...

Cisco DNA Center Information Disclosure Vulnerability

A vulnerability in the API endpoints for Cisco DNA Center could allow an authenticated, remote attacker to gain access to sensitive information that should be restricted. The attacker must have valid device credentials. This vulnerability is due to improper access controls on API endpoints. An...

Cisco IOS XR Software for Cisco 8000 and Network Convergence System 540 Series Routers Image Verification Vulnerabilities

Multiple vulnerabilities in image verification checks of Cisco Network Convergence System NCS 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for Cisco 8000 Series Routers could allow an authenticated, local attacker to execute arbitrary code ...

Cisco Network Services Orchestrator CLI Secure Shell Server Privilege Escalation Vulnerability

A vulnerability in Cisco Network Services Orchestrator NSO could allow an authenticated, local attacker to execute arbitrary commands at the level of the account under which Cisco NSO is running, which is root by default. To exploit this vulnerability, an attacker must have a valid account on an...

Cisco Integrated Management Controller Open Redirect Vulnerability

A vulnerability in the web-based management interface of Cisco Integrated Management Controller IMC Software 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...

Cisco NX-OS Software IPv6 Netstack Denial of Service Vulnerability

A vulnerability in the network stack of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability exists because the software improperly releases resources when it processes certain IPv6 packets that a...

Cisco NX-OS Software Unexpected IP in IP Packet Processing Vulnerability

A vulnerability in the network stack of Cisco NX-OS Software could allow an unauthenticated, remote attacker to bypass certain security boundaries or cause a denial of service DoS condition on an affected device. The vulnerability is due to the affected device unexpectedly decapsulating and...

Cisco Webex Network Recording Player and Cisco Webex Player Arbitrary Code Execution Vulnerabilities

Multiple vulnerabilities in Cisco Webex Network Recording Player for Microsoft Windows and Cisco Webex Player for Microsoft Windows could allow an attacker to execute arbitrary code on an affected system. The vulnerabilities exist due to insufficient validation of certain elements with a Webex...

Cisco Enterprise Network Functions Virtualization Infrastructure Software File Enumeration Vulnerability

A vulnerability in the web server functionality of Cisco Enterprise Network Functions Virtualization Infrastructure Software NFVIS could allow an authenticated, remote attacker to perform file enumeration on an affected system. The vulnerability is due to the web server responding with different...

Cisco Integrated Management Controller Command Injection Vulnerability

A vulnerability in the web-based management interface of Cisco Integrated Management Controller IMC Software could allow an authenticated, remote attacker to inject arbitrary commands that are executed with root privileges on an affected device. The vulnerability is due to insufficient validation...

Cisco Enterprise NFV Infrastructure Software Arbitrary File Read Vulnerabilities

Multiple vulnerabilities in Cisco Enterprise NFV Infrastructure Software NFVIS could allow an authenticated, local attacker to read arbitrary files on the underlying operating system OS of an affected device. For more information about these vulnerabilities, see the Details "details" section of...

Cisco Small Business RV320 and RV325 Routers Online Help Reflected Cross-Site Scripting Vulnerability

A vulnerability in the Online Help web service of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers could allow an unauthenticated, remote attacker to conduct a reflected cross-site scripting XSS attack against a user of the service. The vulnerability exists because the Online Hel...

Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerabilities

Multiple vulnerabilities in the Network-Based Application Recognition NBAR feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. These vulnerabilities are due to a parsing issue on DNS packets. An attacker...

Cisco NX-OS Software Privilege Escalation Vulnerability

A vulnerability in the user account management interface of Cisco NX-OS Software could allow an authenticated, local attacker to gain elevated privileges on an affected device. The vulnerability is due to an incorrect authorization check of user accounts and their associated Group ID GID. An...

Cisco Unified Intelligence Center Software Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco Unified Intelligence Center Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting XSS attack against a user of the web interface of an affected system. The vulnerability is due to insufficient inpu...

CPU Side-Channel Information Disclosure Vulnerabilities: May 2018

On May 21, 2018, researchers disclosed two vulnerabilities that take advantage of the implementation of speculative execution of instructions on many modern microprocessor architectures to perform side-channel information disclosure attacks. These vulnerabilities could allow an unprivileged, loca...

Cisco Unified Communications Manager Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco Unified Communications Manager could allow an unauthenticated, remote attacker to perform a cross-site scripting XSS attack against a user of the web-based management interface of an affected device. The vulnerability is due to...

Cisco IOS and IOS XE Software DHCP Client Denial of Service Vulnerability

A vulnerability in the DHCP client implementation of Cisco IOS and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. The vulnerability occurs during the parsing of a crafted DHCP packet. An attacker could exploit this vulnerability b...

Cisco ESA and WSA AMP ClamAV Denial of Service Vulnerability

A vulnerability in the Clam AntiVirus ClamAV software that is used by Cisco Advance Malware Protection AMP for Cisco Email Security Appliances ESAs and Cisco Web Security Appliances WSAs could allow an unauthenticated, remote attacker to cause the AMP process to restart. The vulnerability is due ...

Cisco ASA Software Version Information Disclosure Vulnerability

A vulnerability in the SSL VPN code of Cisco ASA Software could allow an unauthenticated, remote attacker to obtain information about the Cisco ASA Software version. This information could be used for reconnaissance attacks. The vulnerability is due to verbose output returned when a specific URL ...

Cisco IOS Software Internet Key Exchange Vulnerability

The Cisco IOS Software Internet Key Exchange IKE feature contains a denial of service DoS vulnerability. Cisco has released software updates that address this vulnerability. Workarounds that mitigate this vulnerability are not available. This advisory is available at the following link:...

Cisco IOS Software Crafted TCP Packet Denial of Service Vulnerability

Cisco IOS® Software is affected by a denial of service vulnerability that may allow a remote unauthenticated attacker to cause an affected device to reload or hang. The vulnerability may be triggered by a TCP segment containing crafted TCP options that is received during the TCP session...

Transport Layer Security Renegotiation Remote Man-in-the-Middle Attack Vulnerability

Multiple Transport Layer Security TLS implementations contain a vulnerability when renegotiating a TLS session that could allow an unauthenticated, remote attacker to conduct a man-in-the-middle attack. The vulnerability exists during a TLS renegotiation process. If an attacker can intercept...

Cisco IP Phone 6800, 7800, and 8800 Series Web UI Vulnerabilities

Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service DoS condition. For more information about these vulnerabilities, see the Details "details" section of th...

Cisco IOS XE SD-WAN Software Command Injection Vulnerability

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to inject arbitrary commands to be executed with root privileges on the underlying operating system. This vulnerability is due to insufficient input validation on certain CLI commands. An...

Cisco Integrated Management Controller Substring Comparison Privilege Escalation Vulnerability

A vulnerability in the web server of Cisco Integrated Management Controller IMC could allow an authenticated, remote attacker to set sensitive configuration values and gain elevated privileges. The vulnerability is due to improper handling of substring comparison operations that are performed by...

Cisco Integrated Management Controller Unauthenticated Denial of Service Vulnerability

A vulnerability in the web server of Cisco Integrated Management Controller IMC could allow an unauthenticated, remote attacker to cause the web server process to crash, causing a denial of service DoS condition on an affected system. The vulnerability is due to insufficient validation of...

Cisco IoT Field Network Director TLS Renegotiation Denial of Service Vulnerability

A vulnerability in the web interface of Cisco IoT Field Network Director could allow an unauthenticated, remote attacker to trigger high CPU usage, resulting in a denial of service DoS condition on an affected device. The vulnerability is due to improper handling of Transport Layer Security TLS...

Cisco Enterprise NFV Infrastructure Software Cross-site Scripting Vulnerability

A vulnerability in the web portal framework of Cisco Enterprise NFV Infrastructure Software NFVIS could allow an authenticated, remote attacker to conduct a cross-site scripting XSS attack against a user of the web-based interface. The vulnerability is due to improper input validation of log file...

Cisco NX-OS Software Patch Signature Verification Bypass Vulnerability

A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software patch on an affected device. The vulnerability is due to improper verification of digital signature...

Cisco Registered Envelope Service Stored Cross-Site Scripting Vulnerability

A vulnerability in the web-based interface of the Cisco Registered Envelope Service could allow an authenticated, remote attacker to conduct a cross-site scripting XSS attack against another user of the service. The vulnerability is due to insufficient validation of user-supplied input by the...

Cisco IOS and IOS XE Software Short Message Service Denial of Service Vulnerability

A vulnerability in the implementation of the Short Message Service SMS handling functionality of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a denial of service DoS condition on an affected device. The vulnerability is due to improper...