Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2011-4966

Severity CVSS v4.0:
Pending analysis
Type:
CWE-255 Credentials Management
Publication date:
12/03/2013
Last modified:
11/04/2025

Description

modules/rlm_unix/rlm_unix.c in FreeRADIUS before 2.2.0, when unix mode is enabled for user authentication, does not properly check the password expiration in /etc/shadow, which allows remote authenticated users to authenticate using an expired password.

Impact

Vector 2.0
AV:N/AC:M/Au:S/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.00 MEDIUM
Vector: AV:N/AC:M/Au:S/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): Single
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
6.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*
cpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:* 2.2.0 (including)
cpe:2.3:a:freeradius:freeradius:0.1:*:*:*:*:*:*:*
cpe:2.3:a:freeradius:freeradius:0.2:*:*:*:*:*:*:*
cpe:2.3:a:freeradius:freeradius:0.3:*:*:*:*:*:*:*
cpe:2.3:a:freeradius:freeradius:0.4:*:*:*:*:*:*:*
cpe:2.3:a:freeradius:freeradius:0.5:*:*:*:*:*:*:*
cpe:2.3:a:freeradius:freeradius:0.6:*:*:*:*:*:*:*
cpe:2.3:a:freeradius:freeradius:0.7:*:*:*:*:*:*:*
cpe:2.3:a:freeradius:freeradius:0.7.1:*:*:*:*:*:*:*
cpe:2.3:a:freeradius:freeradius:0.8:*:*:*:*:*:*:*
cpe:2.3:a:freeradius:freeradius:0.8.1:*:*:*:*:*:*:*
cpe:2.3:a:freeradius:freeradius:0.9:*:*:*:*:*:*:*
cpe:2.3:a:freeradius:freeradius:0.9.0:*:*:*:*:*:*:*
cpe:2.3:a:freeradius:freeradius:0.9.1:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools