CVE-2025-20311

A vulnerability in the handling of certain Ethernet frames in Cisco IOS XE Software for Catalyst 9000 Series Switches could allow an unauthenticated, adjacent attacker to cause an egress port to become blocked and drop all outbound traffic. This vulnerability is due to improper handling of crafte...

PT-2025-39299

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software for Catalyst 9000 Series Switches affected versions not specified Description A flaw exists in how certain Ethernet frames are processed, potentially allowing a nearby, unauthenticated attacker to disrupt network traffic...

The vulnerability of the CLI component of the Cisco IOS XE operating system for Cisco Catalyst 9000 Series network devices allows a perpetrator to escalate their privileges or execute arbitrary commands.

The vulnerability of the CLI component of the Cisco IOS XE operating system for Cisco Catalyst 9000 Series network devices is related to privilege assignment errors. Exploiting this vulnerability can allow an attacker to enhance their privileges or execute arbitrary commands...

CVE-2022-20684

A vulnerability in Simple Network Management Protocol SNMP trap generation for wireless clients of Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family could allow an unauthenticated, adjacent attacker to cause an affected device to unexpectedly reload, resulting in a denial of...

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...

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-2021-34769

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

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

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...

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

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 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

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-2021-34768

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-2021-34767

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...

Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Denial of Service (cisco-sa-ewlc-capwap-dos-gmNjdKOY)

According to its self-reported version, Cisco IOS-XE Software is affected by multiple 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...

The vulnerability of the malware detection function in Cisco IOS XE-enabled Cisco Catalyst 9000 network devices allows a perpetrator to load malicious software or execute arbitrary code.

The vulnerability of the check function for the image of Microprogramming Software in Cisco IOS XE network devices of the Cisco Catalyst 9000 series is related to improper checking of the cryptographic signature. Exploiting this vulnerability can allow a perpetrator to load malicious software or...

CVE-2021-1373

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