VULNERABILITY INTELLIGENCE

CVE-2021-20271

CVSS score7 HIGH
EPSS probability0.77%
CISA KEVNot currently listed
Published2021-03-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

Weakness classification

  • secalert@redhat.com: CWE-345
  • nvd@nist.gov: CWE-345

Primary references