CVE-2021-3421

MEDIUM
5.5
CVSS Score
Published: May 19, 2021 at 01:40 PM UTC
Updated: June 17, 2026 at 04:05 AM UTC
3 products affected across 3 vendorsFedoraEnterprise LinuxRpm

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.6%

Description

A flaw was found in the RPM package in the read functionality. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package or compromise an RPM repository, to cause RPM database corruption. The highest threat from this vulnerability is to data integrity. This flaw affects RPM versions before 4.17.0-alpha.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 4.16.1.34.17.0-alpha
Affected range stops below 4.16.1.3, so it looks safe — our inference, not a vendor statement

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-347

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