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CVE-2011-4966: freeradius Credentials Management Errors

CVSS: 6.0v2.0MediumModified
AliasesRHBA-2012:0881RHSA-2013:0134DEBIAN-CVE-2011-4966
Published 12-03-2013Last modified 07-08-2024
Open JSON

Vulnerability summary

CVE-2011-4966 is a medium (CVSS 6.0) Credentials Management Errors vulnerability in freeradius. EPSS estimates a 1.38% chance of exploitation in the next 30 days, higher than 71.7% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
6.0/10
010
Medium · v2.0 (NVD)
EPSS score
1.38%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 12-03-2013
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.38%

Chance of exploitation in the next 30 days

Percentile

72%

Versus all other CVEs

30-day change

0.00 pp

From 1.38% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.38%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat20 products
  • freeradius< 0:2.1.12-3.el6
  • freeradius-debuginfo< 0:2.1.12-3.el6
  • freeradius-krb5< 0:2.1.12-3.el6
  • freeradius-ldap< 0:2.1.12-3.el6
  • freeradius-mysql< 0:2.1.12-3.el6
Debian1 product
  • freeradius< 2.1.12+dfsg-1.2
Freeradius1 product
  • freeradius≤ 2.2.0 | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 0.7.1 | 0.8 | 0.8.1 | 0.9 | 0.9.0 | 0.9.1 | 0.9.2 | 0.9.3 | 1.0.0 | 1.0.1 | 1.0.2 | 1.0.3 | 1.0.4 | 1.0.5 | 1.1.0 | 1.1.1 | 1.1.2 | 1.1.3 | 1.1.4 | 1.1.5 | 1.1.6 | 1.1.7 | 1.1.8 | 2.0 | 2.0.1 | 2.0.2 | 2.0.3 | 2.0.4 | 2.0.5 | 2.1.0 | 2.1.1 | 2.1.2 | 2.1.3 | 2.1.4 | 2.1.6 | 2.1.7 | 2.1.8 | 2.1.9 | 2.1.10 | 2.1.11 | 2.1.12

3 vendors · 22 products

References

30 links
Show all 30 references