CVE-2021-3621

8.8 HIGH
Published: December 23, 2021 Modified: November 03, 2025

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1975142
Source: secalert@redhat.com
Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html
Source: secalert@redhat.com
Third Party Advisory
https://sssd.io/release-notes/sssd-2.6.0.html
Source: secalert@redhat.com
Release Notes Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1975142
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://sssd.io/release-notes/sssd-2.6.0.html
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Third Party Advisory

7 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
0.5%
63th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

redhat fedoraproject