CVE-2005-2105

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2005-07-05 · updated 2026-06-16

Description

Cisco IOS 12.2T through 12.4 allows remote attackers to bypass Authentication, Authorization, and Accounting (AAA) RADIUS authentication, if the fallback method is set to none, via a long username.

Affected products

Cisco IOS: 12.2(2)xr, 12.2(4)xr, 12.2t, 12.2xb, 12.2xc, 12.2xd (+86)

References

http://www.cisco.com/warp/public/707/cisco-sa-20050629-aaa.shtml
http://www.securitytracker.com/alerts/2005/Jun/1014330.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/21190
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5756
http://www.cisco.com/warp/public/707/cisco-sa-20050629-aaa.shtml
http://www.securitytracker.com/alerts/2005/Jun/1014330.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/21190
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5756

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