CVE-2021-3698

7.5 highEPSS 0.7%

High (7.5). EPSS 0.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 53% of CVEs (scores of 2026-10-31)
CWE: CWE-295
Published: 2022-03-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

cockpit-project:cockpit
redhat:enterprise_linux

References

https://bugzilla.redhat.com/show_bug.cgi?id=1992149
https://bugzilla.redhat.com/show_bug.cgi?id=1992149

Check your stack JSON