522 matches found
CVE-2026-20269
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The...
CVE-2026-20301 Cisco IOS Software and IOS XE Software Extensible Messaging Client Protocol Denial of Service Vulnerability
A vulnerability in the Extensible Messaging Client Protocol XMCP, also referred to as the External Client protocol, of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability ...
CVE-2026-20273 Cisco IOS XE Software Security Hardening Release
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. T...
Cisco IOS Software IKEv2 Multiple Vulnerabilities (cisco-sa-asa-ftd-ios-dos-DOESHWHy)
According to its self-reported version, Cisco IOS is affected by multiple vulnerabilities. - A vulnerability in the IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall ASA Software, and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to...
Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IKEv2 DoS (cisco-sa-multiprod-ikev2-dos-gPctUqv2)
According to its self-reported version, Cisco IOS XE Software is affected by a vulnerability. - A vulnerability in the Internet Key Exchange version 2 IKEv2 protocol processing of Cisco Adaptive Security Appliance ASA Software, Cisco Firepower Threat Defense FTD Software, Cisco IOS Software, and...
CVE-2026-20004
Cisco IOS XE TLS library vulnerability (CVE-2026-2004) could allow an unauthenticated, adjacent attacker to exhaust memory on an affected device, causing a reload and DoS. Root cause: improper memory management during TLS setup. Exploitation involves repeated TLS-triggering actions such as EAP at...
CVE-2026-20004: Missing Reference to Active Allocated Resource
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...
CVE-2026-20084: Uncontrolled Resource Consumption
A vulnerability in the DHCP snooping feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause BOOTP packets to be forwarded between VLANs, resulting in a denial of service DoS condition. This vulnerability is due to improper handling of BOOTP packets on Cisco...
CVE-2026-20113: Improper Neutralization of CRLF Sequences
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...
CVE-2026-20114: Improper Validation of Syntactic Correctness of Input
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...
CVE-2026-20125: Improper Handling of Syntactically Invalid Structure
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 ...
CVE-2026-20083: Improper Handling of Extra Parameters
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...
CVE-2026-20012: Missing Release of Memory after Effective Lifetime
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-2026-20110: Incorrect Privilege Assignment
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...
CVE-2026-20112: Improper Neutralization of Input During Web Page Generation
A vulnerability in the web-based Cisco IOx application hosting environment management interface of Cisco IOS XE Software could allow an authenticated, remote attacker to conduct a stored cross-site scripting XSS attack against a user of the web-based management interface of an affected device. Th...
CVE-2026-20104: Buffer Underwrite
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...
CVE-2026-20115: Cleartext Transmission of Sensitive Information
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 Secure Firewall Threat Defense和Cisco IOS XE Software 资源管理错误漏洞
Cisco Secure Firewall Threat Defense and Cisco IOS XE Software are both products of the American company Cisco. Cisco Secure Firewall Threat Defense is an integrated firewall platform. Cisco IOS XE Software is a network operating system. Both Cisco Secure Firewall Threat Defense and Cisco IOS XE...
