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Case File

CVE-2021-21306

MEDIUM · CVSS 5.3 EPSS 2.46% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-08 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗ github.com ↗ github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-21306
Severity
MEDIUM
CVSS
5.3
EPSS
2.46%

Original NVD Description

Marked is an open-source markdown parser and compiler (npm package "marked"). In marked from version 1.1.1 and before version 2.0.0, there is a Regular expression Denial of Service vulnerability. This vulnerability can affect anyone who runs user generated code through marked. This vulnerability is fixed in version 2.0.0.