CVE-2021-23639

Public Exploit

Remote Code Execution (RCE)

Description

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.

9.8

CVSS

Severity: Critical

CVSS 3.1 •

CVSS 2.0 •

EPSS 27.73% Top 5%

Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory snyk.io

Affected: n/a md-to-pdf

References

Link	Tags
https://snyk.io/vuln/SNYK-JS-MDTOPDF-1657880	exploit third party advisory patch
https://github.com/simonhaenisch/md-to-pdf/issues/99	issue tracking patch exploit third party advisory
https://github.com/simonhaenisch/md-to-pdf/commit/a716259c548c82fa1d3b14a3422e9100619d2d8a	third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-23639?: CVE-2021-23639 has been scored as a critical severity vulnerability.
How to fix CVE-2021-23639?: To fix CVE-2021-23639, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-23639 being actively exploited in the wild?: It is possible that CVE-2021-23639 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~28% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-23639?: CVE-2021-23639 affects n/a md-to-pdf.

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