7.2

CVE-2020-16125: gnome gdm3

CVSS: 7.2v3.1HighModified
AliasesMGASA-2021-0003SUSE-SU-2020:3333-1SUSE-SU-2020:3614-1
Published 10-11-2020Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2020-16125 is a high (CVSS 7.2) vulnerability in gnome gdm3. EPSS estimates a 1.11% chance of exploitation in the next 30 days, higher than 65.3% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
39/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.2/10
010
High · v3.1 (CVE.org)
EPSS score
1.11%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2github, reference

Advisory lineage

Upstream 0 · Downstream 2 · Related 1
OPENSUSE-SU-2024:11547-1RHSA-2021:1586

Timeline

  1. 10-11-2020
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

gdm3 versions before 3.36.2 or 3.38.2 would start gnome-initial-setup if gdm3 can't contact the accountservice service via dbus in a timely manner; on Ubuntu (and potentially derivatives) this could be be chained with an additional issue that could allow a local user to create a new privileged account.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

1.11%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

0.00 pp

From 1.11% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.11%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • githubUnverified

    Ghsl 2020 202 Gdm3 Lpe Unresponsive Accounts Daemon

    Maturity: poc

  • referenceUnverified

    Exploit Reference (gitlab.gnome.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Suse20 products
  • gdm&distro=HPE Helion OpenStack 8< 3.10.0.1-54.17.2
  • gdm&distro=SUSE Enterprise Storage 5< 3.10.0.1-54.17.2
  • gdm&distro=SUSE Linux Enterprise Module for Desktop Applications 15 SP1< 3.26.2.1-13.39.2
  • gdm&distro=SUSE Linux Enterprise Module for Desktop Applications 15 SP2< 3.34.1-8.9.1
  • gdm&distro=SUSE Linux Enterprise Server 12 SP2-BCL< 3.10.0.1-54.17.2
Gnome2 products
Opensuse2 products
  • gdm&distro=openSUSE Leap 15.1< 3.26.2.1-lp151.16.10.1
  • gdm&distro=openSUSE Leap 15.2< 3.34.1-lp152.6.9.1
Debian1 product
  • gdm3< 3.38.2-1 | < 3.22.3-3+deb9u3
Mageia1 product
  • gdm< 3.32.0-1.1.mga7
Ubuntu1 product
  • gdm3All versions (No fix recorded) | < 3.28.3-0ubuntu18.04.6 | < 3.36.3-0ubuntu0.20.04.2

6 vendors · 27 products

References

16 links
Show all 16 references