What is CVE-2021-36779?

CVE-2021-36779 is a critical-severity vulnerability in Linuxfoundation Longhorn, classified under Missing Authentication for Critical Function. CVSS score: 9.6/10. Published 2021-12-17.

How severe is CVE-2021-36779?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Auth bypass in Linuxfoundation Longhorn

CVE-2021-36779

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.

Vulnerability class: Broken Authentication

EPSS: 0.007 (48.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Linuxfoundation Longhorn
Suse Longhorn — versions longhorn

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

meissner@suse.de (Issue Tracking, Vendor Advisory)
meissner@suse.de (Vendor Advisory)

Frequently asked questions

What is CVE-2021-36779?: CVE-2021-36779 is a critical-severity vulnerability in Linuxfoundation Longhorn, classified under Missing Authentication for Critical Function. CVSS score: 9.6/10. Published 2021-12-17.
How severe is CVE-2021-36779?: Critical severity. CVSS v3 base score is 9.6 out of 10.