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CVE-2020-16125

HIGH
Published 2020-11-10T04:20:13.785444Z
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CVSS Score

V3.1
7.2
/10
CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.176
probability
of exploitation in the wild

There is a 17.6% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.947
Higher than 94.7% of all CVEs

Attack Vector Metrics

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Gnome

GDM3

Affected Versions:

3.36 3.38

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-pc8h-hq5p-vf38

Advisory Details

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 Scoring

CVSS Score

5.0

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-16125
WEB https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1900314
WEB https://gitlab.gnome.org/GNOME/gdm/-/issues/642
ADVISORY https://securitylab.github.com/advisories/GHSL-2020-202-gdm3-LPE-unresponsive-accounts-daemon

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: May 24, 2022

References

https://gitlab.gnome.org/GNOME/gdm/-/issues/642
https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1900314
https://securitylab.github.com/advisories/GHSL-2020-202-gdm3-LPE-unresponsive-accounts-daemon
Published: 2020-11-10T04:20:13.785444Z
Last Modified: 2024-09-17T03:59:24.216Z
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