DEBIAN-CVE-2021-3621

Advisory lineage Upstream: 1 Downstream: 3
Upstream
CVE-2021-3621
Published: 23 Dec 2021, 21:15
Last modified:10 May 2026, 17:04

Vulnerability Summary

Overall Risk (default)
medium
35/100
CVSS Score
8.8 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

23 Dec 2021, 21:15
Published
Vulnerability first disclosed
10 May 2026, 17:04
Last Modified
Vulnerability information updated

Description

A flaw was found in SSSD, where the sssctl command was vulnerable to shell command injection via the logs-fetch and cache-expire subcommands. This flaw allows an attacker to trick the root user into running a specially crafted sssctl command, such as via sudo, to gain root access. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CVSS Metrics

  • v3.1•HIGH•Score: 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Systems

  • debian•sssd

    < 2.5.2-1 | < 2.4.1-2+deb11u1 | < 2.5.2-1 | < 2.5.2-1

References (1)