CVE-2015-0607

Severity CVSS v4.0:

Pending analysis

Type:

CWE-287 Authentication Issues

Publication date:

06/03/2015

Last modified:

12/04/2025

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.

Impact

Vector 2.0

AV:N/AC:M/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0

4.30

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:cisco:ios:15.4\(1\)t:::::::*
cpe:2.3:o:cisco:ios:15.4\(1\)t1:::::::*
cpe:2.3:o:cisco:ios:15.4\(1\)t2:::::::*
cpe:2.3:o:cisco:ios:15.4\(1\)t3:::::::*
cpe:2.3:o:cisco:ios:15.4\(1\)t4:::::::*
cpe:2.3:o:cisco:ios:15.4\(2\)t:::::::*
cpe:2.3:o:cisco:ios:15.4\(2\)t1:::::::*
cpe:2.3:o:cisco:ios:15.4\(2\)t2:::::::*
cpe:2.3:o:cisco:ios:15.4\(2\)t3:::::::*
cpe:2.3:o:cisco:ios:15.4\(100\)t:::::::*
cpe:2.3:o:cisco:ios:15.4t:::::::*

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:o:cisco:ios:15.4\(1\)t:::::::*
cpe:2.3:o:cisco:ios:15.4\(1\)t1:::::::*
cpe:2.3:o:cisco:ios:15.4\(1\)t2:::::::*
cpe:2.3:o:cisco:ios:15.4\(1\)t3:::::::*
cpe:2.3:o:cisco:ios:15.4\(1\)t4:::::::*
cpe:2.3:o:cisco:ios:15.4\(2\)t:::::::*
cpe:2.3:o:cisco:ios:15.4\(2\)t1:::::::*
cpe:2.3:o:cisco:ios:15.4\(2\)t2:::::::*
cpe:2.3:o:cisco:ios:15.4\(2\)t3:::::::*
cpe:2.3:o:cisco:ios:15.4\(100\)t:::::::*
cpe:2.3:o:cisco:ios:15.4t:::::::*

CVE-2015-0607

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools