CVE Vulnerabilities

CVE-2021-3698

Improper Certificate Validation

Published: Mar 10, 2022 | Modified: Mar 14, 2022
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
7.5 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Ubuntu
MEDIUM

A flaw was found in Cockpit in versions prior to 260 in the way it handles the certificate verification performed by the System Security Services Daemon (SSSD). This flaw allows client certificates to authenticate successfully, regardless of the Certificate Revocation List (CRL) configuration or the certificate status. The highest threat from this vulnerability is to confidentiality.

Weakness

The product does not validate, or incorrectly validates, a certificate.

Affected Software

Name Vendor Start Version End Version
Cockpit Cockpit-project * 260 (excluding)
Cockpit Ubuntu bionic *
Cockpit Ubuntu hirsute *
Cockpit Ubuntu impish *
Cockpit Ubuntu kinetic *
Cockpit Ubuntu lunar *
Cockpit Ubuntu mantic *
Cockpit Ubuntu trusty *
Cockpit Ubuntu xenial *
Red Hat Enterprise Linux 8 RedHat cockpit-0:264.1-1.el8 *

Potential Mitigations

References