CVE-2015-0607
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…
Does this matter?
Lower severity and a low EPSS score (1.97%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:N
- EPSS
- 1.97% probability · 79th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- cisco/ios
- Source
- psirt@cisco.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.