Description
The Authentication Proxy feature in Cisco IOS does not properly handle invalid AAA return codes from RADIUS and TACACS+ servers, which allows remote attackers to bypass authentication in opportunistic circumstances via a connection attempt that triggers an invalid code, as demonstrated by a connection attempt with a blank password, aka Bug IDs CSCuo09400 and CSCun16016.
Metrics
CVSS 2.0 4.3/10
AV:N/AC:M/Au:N/C:P/I:N/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0607Vendor Advisory
- http://tools.cisco.com/security/center/viewAlert.x?alertId=37711Vendor Advisory
- http://www.securityfocus.com/bid/72794
- http://www.securitytracker.com/id/1031817
- http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0607Vendor Advisory
- http://tools.cisco.com/security/center/viewAlert.x?alertId=37711Vendor Advisory
- http://www.securityfocus.com/bid/72794
- http://www.securitytracker.com/id/1031817
Timeline
- Published
- Mar 6, 2015
- Last modified
- Jun 17, 2026
- NVD status
- Modified