CVEvulnerability

CVE-2021-3621

8.8 HIGH Published 2021-12-23 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-12-23
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
9.3 HIGH — AV:N/AC:M/Au:N/C:C/I:C/A:C
Weaknesses
CWE-77, CWE-78

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.

Affected configurations

• fedoraproject sssd 2.6.0 • redhat virtualization 4.0 • redhat virtualization host 4.0 • redhat enterprise linux 6.0 • redhat enterprise linux 7.0 • redhat enterprise linux 8.0 • redhat enterprise linux eus 8.1 • redhat enterprise linux eus 8.2 • redhat enterprise linux server aus 8.2 • redhat enterprise linux server aus 8.4 • redhat enterprise linux server tus 8.2 • redhat enterprise linux server tus 8.4 • fedoraproject fedora 34

Related

Weakness · CWE (2)

  • CWE-77 Improper Neutralization of Special Elements used in a Command weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command weakness

References