Is CVE-2013-4392 being actively exploited?

CVE-2013-4392 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-4392?

CVE-2013-4392 has a CVSS 3.1 base score of 5.0 (MEDIUM).

CVE-2013-4392

MEDIUM · CVSS 5.0EPSS 0.5%EU EUVD

systemd, when updating file permissions, allows local users to change the permissions and SELinux security contexts for arbitrary files via a symlink attack on unspecified files.

Key facts

CVSS score: 5.0 (v3.1)
Severity: MEDIUM
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-59
EPSS score: 0.5% (41th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-4271)
Published: October 28, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-4271 in the EU Vulnerability Database. Last updated in EUVD on June 9, 2025.

View on the EU Vulnerability Database

Affected products

systemd project / systemd

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=725357(Issue Tracking, Third Party Advisory)
http://www.openwall.com/lists/oss-security/2013/10/01/9(Mailing List, Third Party Advisory)
https://bugzilla.redhat.com/show_bug.cgi?id=859060(Issue Tracking, Third Party Advisory)

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