What is the CVSS score of CVE-2021-23639?

CVE-2021-23639 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: 5.3%.

Is there a public PoC exploit available for CVE-2021-23639?

Yes, a public proof-of-concept exploit is available for CVE-2021-23639. Prioritise patching immediately. EPSS: 5.3%.

Is there a patch available for CVE-2021-23639?

Yes, a patch is available for CVE-2021-23639. Update the affected software to the latest version immediately.

Markdown To Pdf CVE-2021-23639

CRITICAL

2021-12-10 report@snyk.io

RCE Markdown To Pdf

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

Dec 10, 2021 - 20:15 nvd

CRITICAL 9.8

DescriptionNVD

The package md-to-pdf before 5.0.0 are vulnerable to Remote Code Execution (RCE) due to utilizing the library gray-matter to parse front matter content, without disabling the JS engine.

AnalysisAI

The package md-to-pdf before 5.0.0 are vulnerable to Remote Code Execution (RCE) due to utilizing the library gray-matter to parse front matter content, without disabling the JS engine. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

The package md-to-pdf before 5.0.0 are vulnerable to Remote Code Execution (RCE) due to utilizing the library gray-matter to parse front matter content, without disabling the JS engine. Affected products include: Markdown To Pdf Project Markdown To Pdf. Version information: before 5.0.0.

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.