What’s Vulnerable › Vulnerabilities

CVE-2005-1057

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2005-05-02 · updated 2026-06-16

Description

Cisco IOS 12.2T, 12.3 and 12.3T, when using Easy VPN Server XAUTH version 6 authentication, allows remote attackers to bypass authentication via a "malformed packet."

Affected products

• Cisco IOS: 12.2t, 12.3, 12.3t

References

• http://www.cisco.com/warp/public/707/cisco-sa-20050406-xauth.shtml
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5852
• http://www.cisco.com/warp/public/707/cisco-sa-20050406-xauth.shtml
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5852

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