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.
Published 2021-03-26 17:15:13
Updated 2023-02-12 22:15:18
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Execute code

Exploit prediction scoring system (EPSS) score for CVE-2021-20271

0.23%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 61 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-20271

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.1
MEDIUM AV:N/AC:H/Au:N/C:P/I:P/A:P
4.9
6.4
NIST
7.0
HIGH CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
1.0
5.9
NIST

CWE ids for CVE-2021-20271

References for CVE-2021-20271

Products affected by CVE-2021-20271

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