AUGUST 4, 2026
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Case File

CVE-2024-21505

HIGH · CVSS 7.5 EPSS 0.71% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2024-03-25 · 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

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

CVE
CVE-2024-21505
Severity
HIGH
CVSS
7.5
EPSS
0.71%

Original NVD Description

Versions of the package web3-utils before 4.2.1 are vulnerable to Prototype Pollution via the utility functions format and mergeDeep, due to insecure recursive merge. An attacker can manipulate an object's prototype, potentially leading to the alteration of the behavior of all objects inheriting from the affected prototype by passing specially crafted input to these functions.