CVE-2021-3899

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

There is a race condition in the 'replaced executable' detection that, with the correct local configuration, allow an attacker to execute arbitrary code as root.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-367

Affected software

Vendor	Product	Versions
Canonical Ltd.	Apport	< 2.21.0
apport	apport	< 2.21.0

References

https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1948376Issue Tracking, Patch
https://ubuntu.com/security/notices/USN-5427-1Vendor Advisory
https://www.cve.org/CVERecord?id=CVE-2021-3899Third Party Advisory
https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1948376Issue Tracking, Patch
https://ubuntu.com/security/notices/USN-5427-1Vendor Advisory
https://www.cve.org/CVERecord?id=CVE-2021-3899Third Party Advisory

Timeline

Published: Jun 3, 2024
Last modified: Jun 17, 2026
NVD status: Analyzed

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