What is the CVSS score of CVE-2021-20286?

CVE-2021-20286 has a CVSS 3.1 base score of 2.7 (Low). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L. EPSS exploitation probability: 1.1%.

Is there a patch available for CVE-2021-20286?

Yes, a patch is available for CVE-2021-20286. Update the affected software to the latest version immediately.

Libnbd CVE-2021-20286

LOW

Reachable Assertion (CWE-617)

2021-03-15 secalert@redhat.com

Denial Of Service Libnbd Enterprise Linux

2.7

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

2.7 LOW

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Lifecycle Timeline

CVE Published

Mar 15, 2021 - 18:15 nvd

LOW 2.7

DescriptionNVD

A flaw was found in libnbd 1.7.3. An assertion failure in nbd_unlocked_opt_go in ilb/opt.c may lead to denial of service.

AnalysisAI

A flaw was found in libnbd 1.7.3. Rated low severity (CVSS 2.7), this vulnerability is remotely exploitable, low attack complexity.

Technical ContextAI

This vulnerability is classified under CWE-617. A flaw was found in libnbd 1.7.3. An assertion failure in nbd_unlocked_opt_go in ilb/opt.c may lead to denial of service. Affected products include: Redhat Libnbd, Redhat Enterprise Linux.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.