xorg-x11-server: Xwayland allows unconditional open access to display
Published Jul 1, 2015
3.6
LOWCVSS 2.0
EPSS 0.39%
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.
Affected products
No data.
Configuration 2
- 1.16.0
- 1.16.1
- 1.16.1.901
- 1.16.2
- 1.16.2.901
- 1.16.3
- 1.17.0
- 1.16.4
- 1.16.99.901
- 1.16.99.902
- 1.17.1
No data.
Red Hat Enterprise Linux 5
xorg-x11-server
Not affected
Red Hat Enterprise Linux 6
xorg-x11-server
Not affected
Red Hat Enterprise Linux 7
xorg-x11-server
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | xorg-x11-server | Not affected | n/a |
| Red Hat Enterprise Linux 6 | xorg-x11-server | Not affected | n/a |
| Red Hat Enterprise Linux 7 | xorg-x11-server | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of xorg-x11-server as shipped with Red Hat Enterprise Linux 5, 6, and 7.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:P/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.39% (0.00393) | 31.04th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.39% (0.00393) | 30.80th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.15% (0.00155) | 33.74th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.95% (0.00950) | 30.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00950) | 28.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
References (8)
- http://lists.freedesktop.org/archives/wayland-devel/2015-June/022548.html mailing-listx_refsource_MLISTVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00044.html vendor-advisoryx_refsource_SUSE
- http://www.securityfocus.com/bid/75535 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2015-3164 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1219548 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2015-3164
- https://security.gentoo.org/glsa/201701-64 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2015-3164
| Link | Providers | Tags |
|---|---|---|
| http://lists.freedesktop.org/archives/wayland-devel/2015-June/022548.html | mailing-listx_refsource_MLISTVendor Advisory | |
| http://lists.opensuse.org/opensuse-updates/2015-06/msg00044.html | vendor-advisoryx_refsource_SUSE | |
| http://www.securityfocus.com/bid/75535 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2015-3164 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1219548 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-3164 | ||
| https://security.gentoo.org/glsa/201701-64 | vendor-advisoryx_refsource_GENTOO | |
| https://www.cve.org/CVERecord?id=CVE-2015-3164 |
Change history (0)
No recorded changes yet.