CVE-2017-13721: debian debian_linux Improper Privilege Management
CVSS: 4.7v3.0MediumModified
AliasesALPINE-CVE-2017-13721UBUNTU-CVE-2017-13721DEBIAN-CVE-2017-13721
Published 09-10-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-13721 is a medium (CVSS 4.7) Improper Privilege Management vulnerability in debian debian_linux. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 27.9% of scored vulnerabilities.
CVSS score
4.7/10
010
Medium · v3.0 (NVD)EPSS score
0.36%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 5 · Related 3Timeline
- 09-10-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In X.Org Server (aka xserver and xorg-server) before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session.
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 4.7Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated4.7MediumCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated4.7MediumCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated4.7MediumCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Low 1.9Preferred score · NVD (NIST)
AV:L/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
0.36%
Chance of exploitation in the next 30 days
Percentile
28%
Versus all other CVEs
30-day change
0.00 pp
From 0.36% on 20-09-2026
20-09-202620-10-2026
EPSS score0.36%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu3 products
- xorg-server< 2:1.15.1-0ubuntu2.10 | < 2:1.18.4-0ubuntu0.6
- xorg-server-hwe-16.04< 2:1.19.3-1ubuntu1~16.04.3
- xorg-server-lts-xenial< 2:1.18.3-1ubuntu2.3~trusty3
Debian2 products
- xorg-server< 2:1.19.4-1
- debian_linuxEOL8.0 | 9.0
Alpine1 product
- xorg-server< 1.19.5-r0
X.org1 product
- x_server≤ 1.19.3
4 vendors · 7 products
References
12 links- cgit.freedesktop.org/xorg/xserver/commit/?id=b95f25af141d33a65f6f821ea9c003f66a01e1f1X Refsource CONFIRMThird Party Advisory
- lists.x.org/archives/xorg-announce/2017-October/002808.htmlMailing ListX Refsource MLISTVendor Advisory