CVE-2004-1464 on CISA KEV

Cisco IOS 12.2(15) and earlier allows remote attackers to cause a denial of service (refused VTY (virtual terminal) connections), via a crafted TCP connection to the Telnet or reverse Telnet port.

01What CISA says about this vulnerability

Cisco IOS 12.2(15) and earlier allows remote attackers to cause a denial of service (refused VTY (virtual terminal) connections), via a crafted TCP connection to the Telnet or reverse Telnet port.

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

• exchange.xforce.ibmcloud.com — https://exchange.xforce.ibmcloud.com/vulnerabilities/17131
• securitytracker.com — http://securitytracker.com/id?1011079
• www.kb.cert.org — http://www.kb.cert.org/vuls/id/384230
• secunia.com — http://secunia.com/advisories/12395/
• www.cisco.com — http://www.cisco.com/warp/public/707/cisco-sa-20040827-telnet.shtml
• www.securityfocus.com — http://www.securityfocus.com/bid/11060

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
n	a / n/a	n/a

06Detection

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