CVE Catalog

CVE-2005-2105

High
Published: Translated: NVD NIST

Summary

A vulnerability in Cisco IOS versions 12.2T through 12.4 allows remote attackers to bypass AAA RADIUS authentication, if the fallback method is set to none, via a long username.

Risk Assessment

An attacker can gain unauthorized access to the network device, potentially leading to confidentiality and integrity breaches and network disruption.

Recommendation

Upgrade Cisco IOS to a non-vulnerable version or configure the AAA authentication fallback method to something other than 'none'.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS