VULNERABILITY INTELLIGENCE

CVE-2021-3621

CVSS score8.8 HIGH
EPSS probability2.63%
CISA KEVNot currently listed
Published2021-12-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

Weakness classification

  • secalert@redhat.com: CWE-77
  • nvd@nist.gov: CWE-78

Primary references