How severe is CVE-2015-3164?

CVE-2015-3164 has a CVSS 2.0 base score of 3.6, rated low severity.

Is CVE-2015-3164 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3164?

CVE-2015-3164 primarily affects X.org X Server. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-3164?

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

When was CVE-2015-3164 published?

CVE-2015-3164 was published on 2015-07-01 and last updated on 2026-06-17.

CVE-2015-3164

CVE-2015-3164 is a low-severity vulnerability in X.org X Server with a CVSS 2.0 base score of 3.6. 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-264.

Key facts

Severity: Low (CVSS 2.0 base score 3.6)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: X.org X Server
Published: 2015-07-01
Last modified: 2026-06-17

Description

The authentication setup in XWayland 1.16.x and 1.17.x before 1.17.2 starts the server in non-authenticating mode, which allows local users to read from or send information to arbitrary X11 clients via vectors involving a UNIX socket.

Frequently asked questions

What is CVE-2015-3164?: The authentication setup in XWayland 1.16.x and 1.17.x before 1.17.2 starts the server in non-authenticating mode, which allows local users to read from or send information to arbitrary X11 clients via vectors involving a UNIX socket.
How severe is CVE-2015-3164?: CVE-2015-3164 has a CVSS 2.0 base score of 3.6, rated low severity.
Is CVE-2015-3164 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3164?: CVE-2015-3164 primarily affects X.org X Server. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-3164?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-3164 published?: CVE-2015-3164 was published on 2015-07-01 and last updated on 2026-06-17.

References

Affected products (12)

cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.16.0:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.16.1:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.16.1.901:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.16.2:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.16.2.901:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.16.3:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.17.0:*:*:*:*:*:*:*
cpe:2.3:a:x.org:xorg-server:1.16.4:*:*:*:*:*:*:*
cpe:2.3:a:x.org:xorg-server:1.16.99.901:*:*:*:*:*:*:*
cpe:2.3:a:x.org:xorg-server:1.16.99.902:*:*:*:*:*:*:*
cpe:2.3:a:x.org:xorg-server:1.17.1:*:*:*:*:*:*:*

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