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Vulnerability record · CVE-2005-2841 · published 8 September 2005

CVE-2005-2841: Cisco ios vulnerability

Cisco · Ios

Buffer overflow in Firewall Authentication Proxy for FTP and/or Telnet Sessions for Cisco IOS 12.2ZH and 12.2ZL, 12.3 and 12.3T, and 12.4 and 12.4T allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted user authentication credentials.

7.5 CVSS 2.0 High EPSS 14% · top 3.5%
7.5CVSS 2.0 base score
14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

Buffer overflow in Firewall Authentication Proxy for FTP and/or Telnet Sessions for Cisco IOS 12.2ZH and 12.2ZL, 12.3 and 12.3T, and 12.4 and 12.4T allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted user authentication credentials.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.cisco.com/warp/public/707/cisco-sa-20050907-auth_proxy.shtml Vendor Advisory
http://www.kb.cert.org/vuls/id/236045 Third Party AdvisoryUS Government Resource
http://www.vupen.com/english/advisories/2005/1669
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5317
http://www.cisco.com/warp/public/707/cisco-sa-20050907-auth_proxy.shtml Vendor Advisory
http://www.kb.cert.org/vuls/id/236045 Third Party AdvisoryUS Government Resource
http://www.vupen.com/english/advisories/2005/1669
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5317

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2005-2841), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.