CVE-2021-31566

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control lists, and flags of a file outside of the archive. 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 gain more privileges in a system.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 23, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-31566: High severity, CVSS 7.8 | Vulnix