CVE-2022-20683: Buffer Underwrite

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 IOS XE Software for Cisco Catalyst 9000 Family Switches and Catalyst 9000 Family Wireless Controllers Privilege Escalation Vulnerability

May 12, 2022 Update: The information in the Cisco Software Checker "https://sec.cloudapps.cisco.com/security/center/softwarechecker.x" was not complete when this advisory was first published. Customers should use the form in the Fixed Software "fs" section of this advisory to get the latest...

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 IOS XE Software for Catalyst 9000 Family Switches Catalyst 9000 Family Wireless Controllers Privilege Escalation (cisco-sa-ewlc-priv-esc-ybvHKO5)

According to its self-reported version, Cisco IOS-XE Software is affected by a vulnerability. - A vulnerability in the CLI of Cisco IOS XE Software for Cisco Catalyst 9000 Family Switches and Cisco Catalyst 9000 Family Wireless Controllers could allow an authenticated, local attacker to elevate...

Critical Cisco Bugs Allow Code Execution on Wireless, SD-WAN

Cisco is warning three critical security vulnerabilities affect its flagship IOS XE software, the operating system for most of its enterprise networking portfolio. The flaws impact Cisco’s wireless controllers, SD-WAN offering and configuration mechanisms in use for scads of products. The...

CVE-2021-34770

A vulnerability in the Control and Provisioning of Wireless Access Points CAPWAP protocol processing of Cisco IOS XE Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, remote attacker to execute arbitrary code with administrative privileges or cause a...

CVE-2021-1565

Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points CAPWAP protocol processing of Cisco IOS XE Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected...

Input validation

Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points CAPWAP protocol processing of Cisco IOS XE Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected...

Input validation

Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points CAPWAP protocol processing of Cisco IOS XE Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected...

Design/Logic Flaw

A vulnerability in IPv6 traffic processing of Cisco IOS XE Wireless Controller Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a Layer 2 L2 loop in a configured VLAN, resulting in a denial of service DoS condition for that...

CVE-2021-1565 Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Denial of Service Vulnerabilities

Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points CAPWAP protocol processing of Cisco IOS XE Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected...

CVE-2021-1565

CVE-2021-1565 (Cisco IOS XE CAPWAP DoS) : Cisco Catalyst 9000 Family Wireless Controllers running IOS XE are affected by multiple CAPWAP handling flaws due to insufficient validation of CAPWAP packets. An unauthenticated, remote attacker can send malformed CAPWAP frames to cause the device to cra...

CVE-2021-34770 Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Remote Code Execution Vulnerability

A vulnerability in the Control and Provisioning of Wireless Access Points CAPWAP protocol processing of Cisco IOS XE Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, remote attacker to execute arbitrary code with administrative privileges or cause a...

CVE-2021-34770

CVE-2021-34770 affects Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers, due to a logic error in CAPWAP packet validation during CAPWAP processing. An unauthenticated, remote attacker could craft CAPWAP packets to execute arbitrary code with administrative privileges or cause a...

CVE-2021-34769

CVE-2021-34769 affects Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers. It stems from insufficient validation of CAPWAP packets in CAPWAP protocol processing, allowing an unauthenticated, remote attacker to cause a crash and reload of the device, resulting in a DoS. The impact...

CVE-2021-34769 Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Denial of Service Vulnerabilities

Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points CAPWAP protocol processing of Cisco IOS XE Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected...

CVE-2021-34768 Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Denial of Service Vulnerabilities

Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points CAPWAP protocol processing of Cisco IOS XE Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected...

CVE-2021-34768

The CVE-2021-34768 entry covers CAPWAP processing flaws in Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers. The vulnerabilities allow an unauthenticated, remote attacker to cause a denial-of-service by sending malformed CAPWAP packets, triggering a crash and device reload. Aff...

CVE-2021-34767 Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers IPv6 Denial of Service Vulnerability

A vulnerability in IPv6 traffic processing of Cisco IOS XE Wireless Controller Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a Layer 2 L2 loop in a configured VLAN, resulting in a denial of service DoS condition for that...

CVE-2021-1565: Double Free

Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points CAPWAP protocol processing of Cisco IOS XE Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected...