CVE-2026-20012

The CVE-2026-20012 entry describes a memory-leak DoS in the IKEv2 handling of Cisco IOS, IOS XE, ASA, and FTDS (Threat Defense). Root cause: improper parsing of IKEv2 packets leading to conditions where devices reload (IOS/IOS XE) or exhaust memory to the point of instability (ASA/FTD). Affected ...

CVE-2026-20012

A vulnerability in the Internet Key Exchange version 2 IKEv2 feature of Cisco IOS Software, Cisco IOS XE Software, Cisco Secure Firewall Adaptive Security Appliance ASA Software, and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to trigger a...

CVE-2026-20012

A vulnerability in the Internet Key Exchange version 2 IKEv2 feature of Cisco IOS Software, Cisco IOS XE Software, Cisco Secure Firewall Adaptive Security Appliance ASA Software, and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to trigger a...

CVE-2026-20086

A vulnerability in the processing of Control and Provisioning of Wireless Access Points CAPWAP packets of Cisco IOS XE Wireless Controller Software for the Catalyst CW9800 Family could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This...

CVE-2026-20086

A vulnerability in the processing of Control and Provisioning of Wireless Access Points CAPWAP packets of Cisco IOS XE Wireless Controller Software for the Catalyst CW9800 Family could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This...

Cisco IOS XE Software TLS Memory Exhaustion Denial of Service Vulnerability

A vulnerability in the TLS library of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to exhaust the available memory of an affected device. This vulnerability is due to improper management of memory resources during TLS connection setup. An attacker could exploit this...

Cisco IOS XE Software Secure Channel for Meraki Information Disclosure Vulnerability

A vulnerability in Cisco IOS XE Software for Cisco Meraki could allow a remote, unauthenticated attacker to view confidential device information. This vulnerability is due to a device configuration upload being performed over an insecure tunnel. An attacker could exploit this vulnerability by...

Cisco IOx Application Hosting Environment Carriage Return Line Feed Injection Vulnerability

A vulnerability in the web-based Cisco IOx application hosting environment management interface of Cisco IOS XE Software could allow an unauthenticated, remote attacker to perform a carriage return line feed CRLF injection attack against a user. This vulnerability is due to insufficient validatio...

Cisco IOS Software and IOS XE Software Release 3E HTTP Server Denial of Service Vulnerability

A vulnerability in the HTTP Server feature of Cisco IOS Software and Cisco IOS XE Software Release 3E could allow an authenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service DoS condition. This vulnerability is due to improper validation ...

Cisco IOS XE Software Secure Copy Protocol Server Denial of Service Vulnerability

A vulnerability in the Secure Copy Protocol SCP server feature of Cisco IOS XE Software could allow an authenticated, local attacker with low privileges to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper handling of a malformed SCP request. An...

Cisco IOS XE Software Lobby Ambassador Privilege Escalation Vulnerability

A vulnerability in the Lobby Ambassador web-based management API of Cisco IOS XE Software could allow an authenticated, remote attacker to elevate their privileges and access management APIs that would not normally be available for Lobby Ambassador users. This vulnerability exists because...

Cisco IOS XE Software Denial of Service Vulnerability

A vulnerability in the CLI of Cisco IOS XE Software could allow an authenticated, local attacker to cause a denial of service DoS condition on an affected device. This vulnerability exists because incorrect privileges are associated with the start maintenance command. An attacker could exploit th...

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

A vulnerability in the bootloader of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches, Cisco Catalyst ESS9300 Embedded Series Switches, Cisco Catalyst IE9310 and IE9320 Rugged Series Switches, and Cisco IE3500 and IE3505 Rugged Series Switches could allow an authenticated, local...

Cisco IOS XE Software 安全漏洞

Cisco IOS XE Software is a network operating system developed by the American company Cisco. There is a security vulnerability in Cisco IOS XE Software, which stems from improper permission allocation for the start maintenance command. This vulnerability may lead to denial of service attacks...

Cisco IOS XE Software 安全漏洞

Cisco IOS XE Software is a network operating system developed by the American company Cisco. There is a security vulnerability in Cisco IOS XE Software, which stems from improper memory resource management during the establishment of TLS connections. This vulnerability may lead to memory exhausti...

Cisco IOS XE Software 安全漏洞

Cisco IOS XE Software is a network operating system developed by the American company Cisco. There is a security vulnerability in Cisco IOS XE Software, which stems from improper handling of malformed SCP requests, potentially leading to denial-of-service attacks...

PT-2026-27789

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software affected versions not specified Description A flaw exists in the Secure Copy Protocol SCP server feature that may allow a local attacker with limited privileges to disrupt service. This is caused by the improper processin...

PT-2026-27788

Name of the Vulnerable Software and Affected Versions Cisco IOS Software affected versions not specified Cisco IOS XE Software affected versions not specified Cisco Secure Firewall Adaptive Security Appliance ASA Software affected versions not specified Cisco Secure Firewall Threat Defense FTD...

PT-2026-27799

Name of the Vulnerable Software and Affected Versions Cisco IOS Software and Cisco IOS XE Software Release 3E Description A flaw exists in the HTTP Server feature that could allow a remote attacker with valid user credentials to cause an unexpected device reload, leading to a denial of service Do...

Cisco IOS和Cisco IOS XE Software 安全漏洞

Cisco IOS and Cisco IOS XE Software are products of the American company Cisco. Cisco IOS is an operating system developed for its network devices. Cisco IOS XE Software is a network operating system. There are security vulnerabilities in Cisco IOS and Cisco IOS XE Software Release 3E. These...