4.8

CVE-2019-3820: canonical ubuntu_linux Improper Authorization

CVSS: 4.8v3.0MediumModified
AliasesSUSE-SU-2019:1390-1SUSE-SU-2019:1459-1RHSA-2020:1021
Published 06-02-2019Last modified 04-08-2024

Vulnerability summary

CVE-2019-3820 is a medium (CVSS 4.8) Improper Authorization vulnerability in canonical ubuntu_linux. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 41.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.8/10
010
Medium · v3.0 (CVE.org)
EPSS score
0.50%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 3 · Related 2

Timeline

  1. 06-02-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

It was discovered that the gnome-shell lock screen since version 3.15.91 did not properly restrict all contextual actions. An attacker with physical access to a locked workstation could invoke certain keyboard shortcuts, and potentially other actions.

CVSS metrics

8 scores · 5 sources · 3 versions

EPSS trend

Probability

0.50%

Chance of exploitation in the next 30 days

Percentile

41%

Versus all other CVEs

30-day change

0.00 pp

From 0.50% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.50%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugzilla.redhat.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Redhat92 products
  • accountsservice< 0:0.6.50-7.el7
  • accountsservice-debuginfo< 0:0.6.50-7.el7
  • accountsservice-devel< 0:0.6.50-7.el7
  • accountsservice-libs< 0:0.6.50-7.el7
  • colord< 0:1.3.4-2.el7
Suse14 products
  • gnome-shell&distro=SUSE Linux Enterprise Desktop 12 SP3< 3.20.4-77.23.1
  • gnome-shell&distro=SUSE Linux Enterprise Desktop 12 SP4< 3.20.4-77.23.1
  • gnome-shell&distro=SUSE Linux Enterprise Module for Desktop Applications 15< 3.26.2+20180130.0d9c74212-4.19.2
  • gnome-shell&distro=SUSE Linux Enterprise Module for Desktop Applications 15 SP1< 3.26.2+20180130.0d9c74212-4.19.2
  • gnome-shell&distro=SUSE Linux Enterprise Server 12 SP3< 3.20.4-77.23.1
Opensuse3 products
  • leapEOL15.0 | 15.1 | 42.3
  • gnome-shell&distro=openSUSE Leap 15.0< 3.26.2+20180130.0d9c74212-lp151.7.3.1
  • gnome-shell&distro=openSUSE Leap 15.1< 3.26.2+20180130.0d9c74212-lp151.7.3.1
Canonical1 product
Debian1 product
  • gnome-shell< 3.30.2-3
Gnome1 product
  • gnome-shell≥ 3.15.91, < 3.30.3 | ≥ 3.31.0, < 3.31.5
The gnome project1 product
Ubuntu1 product
  • gnome-shell< 3.18.5-0ubuntu0.3+esm1 | < 3.28.3+git20190124-0ubuntu18.04.2

8 vendors · 114 products

References

64 links
Show all 64 references