What is the CVSS score of CVE-2021-43243?

CVE-2021-43243 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.8%.

Is there a patch available for CVE-2021-43243?

Yes, a patch is available for CVE-2021-43243. Update the affected software to the latest version immediately.

Vp9 Video Extensions CVE-2021-43243

MEDIUM

2021-12-15 secure@microsoft.com

Information Disclosure Vp9 Video Extensions

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Dec 15, 2021 - 15:15 nvd

MEDIUM 5.5

DescriptionNVD

VP9 Video Extensions Information Disclosure Vulnerability

AnalysisAI

VP9 Video Extensions Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Technical ContextAI

Affected products include: Microsoft Vp9 Video Extensions.

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.