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Fencer Intel
medium 4.3

CVE-2013-7041 json

The pam_userdb module for Pam uses a case-insensitive method to compare hashed passwords, which makes it easier for attackers to guess the…

published 12y ago modified 4mo ago also EUVD-2013-6841

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

The pam_userdb module for Pam uses a case-insensitive method to compare hashed passwords, which makes it easier for attackers to guess the password via a brute force attack.

Patch / fix

  • pam Debian 14, Debian 13, Debian 12 1.1.8-3.1

debian advisories DEBIAN-CVE-2013-7041

  • pam Ubuntu 14.04 LTS 1.1.8-1ubuntu2.1

ubuntu advisories UBUNTU-CVE-2013-7041

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • pam SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 1.1.5-0.17.2

suse advisories SUSE-SU-2016:1645-1

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2013-7041 updated cvss 4.3

pam: pam_userdb case insensitive password hash comparison

  • Red Hat Enterprise Linux 5 pam Red Hat Enterprise Linux 6 pam
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 7 pam
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.48% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.