Is CVE-2021-36779 in the CISA KEV catalog?

No. CVE-2021-36779 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-36779?

CVE-2021-36779 has a CVSS v3 base score of 9.6 (CRITICAL).

What is the EPSS score for CVE-2021-36779?

CVE-2021-36779 has an EPSS score of 0.66% (47th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-36779?

Upgrade longhorn to 1.2.3 or later.

CVE & CISA-KEV Catalog

CVE-2021-36779

CRITICAL

9.6

CVSS v3

NVD

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.

CWE-306Missing Authentication for Critical Function

How to fix

Remediation Available

longhornNVD

Affected:>= 1.2.0, < 1.2.3Fixed in:1.2.3CVE-2021-36779derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.66%probability of exploitation in 30 days

47thpercentile

Moderate risk: more likely to be exploited than 47% of all known CVEs.

References

Vendor Advisory2

Related Vulnerabilities

Other CWE-306 (Missing Authentication for Critical Function) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-10271	High	7.5	100%	KEV + Ransom	-
CVE-2023-42793	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2025-3248	Critical	9.8	100%	KEV	Fix
CVE-2022-1388	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2021-37415	Critical	9.8	100%	KEV	-
CVE-2023-21839	High	7.5	100%	KEV	-

Embed a live status badge for CVE-2021-36779

Markdown

[![CVE-2021-36779](https://tridentstack.com/cve/badge/CVE-2021-36779.svg)](https://tridentstack.com/cve/CVE-2021-36779)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-36779"><img src="https://tridentstack.com/cve/badge/CVE-2021-36779.svg" alt="CVE-2021-36779"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.