AUGUST 4, 2026
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Case File

CVE-2021-25945

CRITICAL · CVSS 9.8 EPSS 2.96% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-05-26 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable. It may lead to a denial-of-service condition.

Public Exploit Signal

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

Detected Signals
remote code execution code execution

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

CVE
CVE-2021-25945
Severity
CRITICAL
CVSS
9.8
EPSS
2.96%

Original NVD Description

Prototype pollution vulnerability in 'js-extend' versions 0.0.1 through 1.0.1 allows attacker to cause a denial of service and may lead to remote code execution.