How severe is CVE-2013-4392?

CVE-2013-4392 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2013-4392 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4392?

CVE-2013-4392 affects Systemd Project Systemd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-4392?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-4392 published?

CVE-2013-4392 was published on 2013-10-28 and last updated on 2026-06-16.

CVE-2013-4392

CVE-2013-4392 is a medium-severity vulnerability in Systemd Project Systemd with a CVSS 3.x base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-59.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
CVSS v2: 3.3
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: Systemd Project Systemd
Published: 2013-10-28
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2013-4392?: 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.
How severe is CVE-2013-4392?: CVE-2013-4392 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2013-4392 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4392?: CVE-2013-4392 affects Systemd Project Systemd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-4392?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4392 published?: CVE-2013-4392 was published on 2013-10-28 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*

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