Cisco IOS XR Software Image Verification Bypass Vulnerability

A vulnerability in the installation process of Cisco IOS XR Software could allow an authenticated, local attacker to bypass Cisco IOS XR Software image signature verification and load unsigned software on an affected device. To exploit this vulnerability, the attacker must have root-system...

JSA10497 - 2012-09: Security, Access, and Acceleration: Security Advisories Released

Edit: 4th of March 2024 - This isn't an active SA and any new edits are part of an article maintenance project. A new Security, Access, and Acceleration product security advisory bundle has been released. This message contains the links to the new JSA advisories that have been released. In the...

Cisco IOS XE Software Zone-Based Firewall Denial of Service Vulnerabilities

Multiple vulnerabilities in the Zone-Based Firewall feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload or stop forwarding traffic through the firewall. The vulnerabilities are due to incomplete handling of Layer 4 packets through the...