What is the CVSS score of CVE-2021-28794?

CVE-2021-28794 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.8%.

Is there a patch available for CVE-2021-28794?

Yes, a patch is available for CVE-2021-28794. Update the affected software to the latest version immediately.

Shellcheck CVE-2021-28794

CRITICAL

2021-03-18 cve@mitre.org

Information Disclosure Shellcheck

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Mar 18, 2021 - 16:15 nvd

CRITICAL 9.8

DescriptionNVD

The unofficial ShellCheck extension before 0.13.4 for Visual Studio Code mishandles shellcheck.executablePath.

AnalysisAI

The unofficial ShellCheck extension before 0.13.4 for Visual Studio Code mishandles shellcheck.executablePath. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Technical ContextAI

The unofficial ShellCheck extension before 0.13.4 for Visual Studio Code mishandles shellcheck.executablePath. Affected products include: Shellcheck Project Shellcheck. Version information: before 0.13.4.

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.