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CVE-2015-3164

13
FAUCET Score

CVE-2015-3164 describes an authentication bypass vulnerability in XWayland versions 1.16.x and 1.17.x before 1.17.2, affecting various openSUSE and X.Org products. The flaw allows local users to read or send data to arbitrary X11 clients via a UNIX socket due to the server starting in a non-authenticating mode. With a CVSS score of 3.6, this vulnerability has low attack complexity and requires local access, potentially leading to partial confidentiality and integrity impacts. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
13.2CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
1.16.0CPE matchmatch criteria
cpe:2.3:a:x.org:x_server:1.16.0:*:*:*:*:*:*:*
1.16.1CPE matchmatch criteria
cpe:2.3:a:x.org:x_server:1.16.1:*:*:*:*:*:*:*
1.16.1.901CPE matchmatch criteria
cpe:2.3:a:x.org:x_server:1.16.1.901:*:*:*:*:*:*:*
1.16.2CPE matchmatch criteria
cpe:2.3:a:x.org:x_server:1.16.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

3.6LOW

AV:L/AC:L/Au:N/C:P/I:P/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 52nd percentile among its peer group of 2,096 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.6 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2015-3164Important

xorg-x11-server: Xwayland allows unconditional open access to display

Jun 10, 2015

References

lists.freedesktop.org / archives/wayland-devel/2015-June/022548.html
Vendor Advisory
lists.opensuse.org / opensuse-updates/2015-06/msg00044.html
security.gentoo.org / glsa/201701-64
securityfocus.com / bid/75535