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CVE-2021-36779

9.6 · CRITICAL

A Missing Authentication for Critical Function vulnerability in SUSE Longhorn allows any workload in the cluster to execute any binary present in the image on the host without authentication.

Published Dec 17, 2021CWE-306EPSS 0.69%

Overview

CVE-2021-36779 is a critical-severity vulnerability. It was published on December 17, 2021 and has a CVSS 3.1 base score of 9.6 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.6, rated CRITICAL. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

A Missing Authentication for Critical Function vulnerability in SUSE Longhorn allows any workload in the cluster to execute any binary present in the image on the host without authentication. This issue affects: SUSE Longhorn longhorn versions prior to 1.1.3; longhorn versions prior to 1.2.3.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refbugzilla.suse.com/show_bug.cgi?id=1191818GitHubgithub.com/longhorn/longhorn/security/advisories/GHSA-g358-m2wp-mhhxRefbugzilla.suse.com/show_bug.cgi?id=1191818GitHubgithub.com/longhorn/longhorn/security/advisories/GHSA-g358-m2wp-mhhx

How CyberStrike helps

Frequently asked questions

What is CVE-2021-36779?

CVE-2021-36779 is a critical-severity vulnerability. It was published on December 17, 2021 and has a CVSS 3.1 base score of 9.6 (CRITICAL).

How severe is CVE-2021-36779?

This vulnerability has a CVSS 3.1 base score of 9.6, rated CRITICAL. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-36779?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-36779?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-36779 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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