VULNERABILITY INTELLIGENCE

CVE-2021-23177

CVSS score7.8 HIGH
EPSS probability0.39%
CISA KEVNot currently listed
Published2022-08-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

An improper link resolution flaw while extracting an archive can lead to changing the access control list (ACL) of the target of the link. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to change the ACL of a file on the system and gain more privileges.

Weakness classification

  • secalert@redhat.com: CWE-59
  • nvd@nist.gov: CWE-59

Primary references