AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2020-7637

MEDIUM · CVSS 5.3 EPSS 1.16% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-04-06 · 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 ↗

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

CVE
CVE-2020-7637
Severity
MEDIUM
CVSS
5.3
EPSS
1.16%

Original NVD Description

class-transformer before 0.3.1 allow attackers to perform Prototype Pollution. The classToPlainFromExist function could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.