How severe is CVE-2012-0871?

CVE-2012-0871 has a CVSS 2.0 base score of 6.3, rated medium severity.

Is CVE-2012-0871 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-0871?

CVE-2012-0871 primarily affects Systemd Project Systemd. In total, 38 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-0871?

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

When was CVE-2012-0871 published?

CVE-2012-0871 was published on 2014-04-18 and last updated on 2026-06-16.

CVE-2012-0871

CVE-2012-0871 is a medium-severity vulnerability in Systemd Project Systemd with a CVSS 2.0 base score of 6.3. 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 2.0 base score 6.3)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: Systemd Project Systemd
Published: 2014-04-18
Last modified: 2026-06-16

Description

The session_link_x11_socket function in login/logind-session.c in systemd-logind in systemd, possibly 37 and earlier, allows local users to create or overwrite arbitrary files via a symlink attack on the X11 user directory in /run/user/.

Frequently asked questions

What is CVE-2012-0871?: The session_link_x11_socket function in login/logind-session.c in systemd-logind in systemd, possibly 37 and earlier, allows local users to create or overwrite arbitrary files via a symlink attack on the X11 user directory in /run/user/.
How severe is CVE-2012-0871?: CVE-2012-0871 has a CVSS 2.0 base score of 6.3, rated medium severity.
Is CVE-2012-0871 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0871?: CVE-2012-0871 primarily affects Systemd Project Systemd. In total, 38 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-0871?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-0871 published?: CVE-2012-0871 was published on 2014-04-18 and last updated on 2026-06-16.

References

Affected products (38)

cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:1:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:2:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:3:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:4:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:5:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:6:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:7:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:8:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:9:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:10:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:11:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:12:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:13:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:14:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:15:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:16:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:17:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:18:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:19:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:20:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:21:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:22:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:23:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:24:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:25:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:26:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:27:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:28:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:29:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:30:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:31:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:32:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:33:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:34:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:35:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:36:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:12.1:*:*:*:*:*:*:*

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