CVE-2021-20271

HighCVSS 7.0/10Last modified Jun 17, 2026

Description

A flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package, whose signature header was modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is to data integrity, confidentiality, and system availability.

Metrics

CVSS 3.1 7.0/10CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-345

Affected software

No affected versions have been published.

Timeline

Published: Mar 26, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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