Improper Certificate Validation Affecting cockpit package, versions <260-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.68% (49th percentile)

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  • Snyk IDSNYK-ECHOLATEST-COCKPIT-19012584
  • published20 Aug 2026
  • disclosed10 Mar 2022

Introduced: 10 Mar 2022

CVE-2021-3698  (opens in a new tab)
CWE-295  (opens in a new tab)

How to fix?

Upgrade Echo:latest cockpit to version 260-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream cockpit package and not the cockpit package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1