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Case File

CVE-2021-23424

HIGH · CVSS 7.5 EPSS 1.98% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-18 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

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

GitHub PoC Links
github.com ↗

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

CVE
CVE-2021-23424
Severity
HIGH
CVSS
7.5
EPSS
1.98%

Original NVD Description

This affects all versions of package ansi-html. If an attacker provides a malicious string, it will get stuck processing the input for an extremely long time.