CVE-2004-1464
Cisco IOS Denial-of-Service Vulnerability
Cisco · IOS
Vulnerability details
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.
Added to CISA KEV: 2023-05-19
Ransomware campaign use: Unknown
CISA due date: 2023-06-09
Defensive guidance from CISA
Apply updates per vendor instructions.
This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.
Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC