VulnerabilityModified
CVE-2020-16125
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…
MEDIUM 6.8EPSS 1.11%
Does this matter?
Lower severity and a low EPSS score (1.11%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 6.8 MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.11% probability · 64th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-754
- Affected
- gnome/gnome display manager
- Source
- security@ubuntu.com
References
- https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1900314Third Party Advisory
- https://gitlab.gnome.org/GNOME/gdm/-/issues/642Exploit, Vendor Advisory
- https://securitylab.github.com/advisories/GHSL-2020-202-gdm3-LPE-unresponsive-accounts-daemonExploit, Third Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1900314Third Party Advisory
- https://gitlab.gnome.org/GNOME/gdm/-/issues/642Exploit, Vendor Advisory
- https://securitylab.github.com/advisories/GHSL-2020-202-gdm3-LPE-unresponsive-accounts-daemonExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.