Is CVE-2011-3628 being actively exploited?

CVE-2011-3628 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-3628?

CVE-2011-3628 has a CVSS 2.0 base score of 6.9 (MEDIUM).

CVE-2011-3628

MEDIUM · CVSS 6.9EPSS 0.4%EU EUVD

Untrusted search path vulnerability in pam_motd (aka the MOTD module) in libpam-modules before 1.1.3-2ubuntu2.1 on Ubuntu 11.10, before 1.1.2-2ubuntu8.4 on Ubuntu 11.04, before 1.1.1-4ubuntu2.4 on Ubuntu 10.10, before 1.1.1-2ubuntu5.4 on Ubuntu 10.04 LTS, and before 0.99.7.1-5ubuntu6.5 on Ubuntu 8.04 LTS, when using certain configurations such as "session optional pam_motd.so", allows local users to gain privileges by modifying the PATH environment variable to reference a malicious command, as demonstrated via uname.

Key facts

CVSS score: 6.9 (v2.0)
Severity: MEDIUM
CVSS vector: AV:L/AC:M/Au:N/C:C/I:C/A:C
EPSS score: 0.4% (33th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-3587)
Published: April 15, 2014
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-3587 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

canonical / libpam-modules
canonical / libpam-modules
canonical / libpam-modules
canonical / libpam-modules
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux

References

http://www.ubuntu.com/usn/USN-1237-1(Vendor Advisory)
https://bugs.launchpad.net/ubuntu/%2Bsource/pam/%2Bbug/610125

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain