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VULNERABILITIES

CVE-2021-3621 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector: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

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URLSource(s)Tag(s)
https://bugzilla.redhat.com/show_bug.cgi?id=1975142 CVEIssue TrackingPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html CVEThird Party Advisory
https://lists.debian.org/debian-lts-announce/2025/02/msg00008.html CVE
https://sssd.io/release-notes/sssd-2.6.0.html CVERelease NotesThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1975142 [email protected]Issue TrackingPatchThird Party Advisory

see all 7 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')[email protected]
CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')[email protected]

Affected Products

ProductVersions

Change History

8 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-3621
NVD Published Date:
Dec 23, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]