CVE-2021-23639
CriticalPublic PoC
Published: 10 December 2021
Published
10 December 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.1991
95.6th percentile
Risk Priority
32
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-23639 is a critical-severity an unspecified weakness vulnerability in Markdown To Pdf Project Markdown To Pdf. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 4.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-2610
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
markdown to pdf project
markdown to pdf
≤ 5.0.0
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.