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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (49.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Linuxfoundation Longhorn
- SUSE Longhorn — versions longhorn
Weakness classification (CWE)
References
- bugzilla.suse.com/show_bug.cgi (Issue Tracking, Vendor Advisory)
- github.com/longhorn/longhorn/security/advisories/GHSA-g358-m2wp-mhhx (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.