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Case File

CVE-2021-23408

MEDIUM · CVSS 5.4 EPSS 1.40% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-07-21 · 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 ↗

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

CVE
CVE-2021-23408
Severity
MEDIUM
CVSS
5.4
EPSS
1.40%

Original NVD Description

This affects the package com.graphhopper:graphhopper-web-bundle before 3.2, from 4.0-pre1 and before 4.0. The URL parser could be tricked into adding or modifying properties of Object.prototype using a constructor or __proto__ payload.