CVE-2020-16126

3.3 lowEPSS 0.5%

Low (3.3) in freedesktop accountsservice. EPSS 0.5% chance of exploitation in the next 30 days.

An Ubuntu-specific modification to AccountsService in versions before 0.6.55-0ubuntu13.2, among other earlier versions, improperly dropped the ruid, allowing untrusted users to send signals to AccountService, thus stopping it from handling D-Bus messages in a timely fashion.

Severity

CVSS 3.1

3.3 low

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-11-01)
CWE: CWE-269
Published: 2020-11-11
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

freedesktop:accountsservice

References

https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOS
https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOS

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