Cisco IOS Denial-of-Service Vulnerability

Known Exploited Vulnerability

CVE-2004-1464, Cisco IOS Denial-of-Service Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Cisco IOS contains an unspecified vulnerability that may block further telnet, reverse telnet, Remote Shell (RSH), Secure Shell (SSH), and in some cases, Hypertext Transport Protocol (HTTP) access to the Cisco device.

The following remediation steps are recommended / required by June 9, 2023: Apply updates per vendor instructions.