vulnerability

Amazon Linux AMI 2: CVE-2021-20271: Security patch for rpm (Multiple Advisories)

Severity
5
CVSS
(AV:N/AC:H/Au:N/C:P/I:P/A:P)
Published
Mar 26, 2021
Added
Jul 19, 2021
Modified
May 20, 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.

Solutions

amazon-linux-ami-2-upgrade-python2-rpmamazon-linux-ami-2-upgrade-python3-rpmamazon-linux-ami-2-upgrade-rpmamazon-linux-ami-2-upgrade-rpm-apidocsamazon-linux-ami-2-upgrade-rpm-buildamazon-linux-ami-2-upgrade-rpm-build-libsamazon-linux-ami-2-upgrade-rpm-cronamazon-linux-ami-2-upgrade-rpm-debuginfoamazon-linux-ami-2-upgrade-rpm-develamazon-linux-ami-2-upgrade-rpm-libsamazon-linux-ami-2-upgrade-rpm-plugin-systemd-inhibitamazon-linux-ami-2-upgrade-rpm-sign
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.