7.8

CVE-2017-15131: freedesktop xdg-user-dirs Improper Access Control

CVSS: 7.8v3.0HighModified
AliasesMGASA-2018-0215RHSA-2018:0842UBUNTU-CVE-2017-15131
Published 09-01-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-15131 is a high (CVSS 7.8) Improper Access Control vulnerability in freedesktop xdg-user-dirs. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 23.6% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.0 (NVD)
EPSS score
0.32%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-01-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

It was found that system umask policy is not being honored when creating XDG user directories, since Xsession sources xdg-user-dirs.sh before setting umask policy. This only affects xdg-user-dirs before 0.15.5 as shipped with Red Hat Enterprise Linux.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.32%

Chance of exploitation in the next 30 days

Percentile

24%

Versus all other CVEs

30-day change

0.00 pp

From 0.32% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.32%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat3 products
  • enterprise_linuxEOL7.0
  • xdg-user-dirs< 0:0.15-5.el7
  • xdg-user-dirs-debuginfo< 0:0.15-5.el7
Debian1 product
  • xdg-user-dirsAll versions (No fix recorded)
Freedesktop1 product
Mageia1 product
  • xdg-user-dirs< 0.15-7.1.mga6
Red hat, inc.1 product
Ubuntu1 product
  • xdg-user-dirsAll versions (No fix recorded)

6 vendors · 8 products

References

15 links
Show all 15 references