CVE-2004-1464
CISA KEVPublished May 19, 2023 · Updated April 3, 2026
high
Official Description+
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.
Affected Products
| Vendor | Product |
|---|---|
| Cisco | IOS |
Patch Status
Patch by 2023-06-09
Recommended Actions
- Check if your systems use any of the affected products listed above.
- Apply vendor patches immediately if available.
- This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
- Monitor vendor advisories for updates and additional mitigations.
- Review logs for indicators of compromise related to CVE-2004-1464.