CVE-2021-3899

HIGH

7.8

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.

CVE Details

CVSS v3.1 Score7.8

SeverityHIGH

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published6/3/2024

Last Modified8/26/2025

Sourcenvd

Honeypot Sightings0

Affected Products

canonical:apportcanonical:ubuntu_linux

Weaknesses (CWE)

CWE-367

References

https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1948376(security@ubuntu.com)

https://ubuntu.com/security/notices/USN-5427-1(security@ubuntu.com)

https://www.cve.org/CVERecord?id=CVE-2021-3899(security@ubuntu.com)

https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1948376(af854a3a-2127-422b-91ae-364da2661108)

https://ubuntu.com/security/notices/USN-5427-1(af854a3a-2127-422b-91ae-364da2661108)

https://www.cve.org/CVERecord?id=CVE-2021-3899(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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