AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2021-3757

CRITICAL · CVSS 9.8 EPSS 1.65% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-02 · 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-2021-3757
Severity
CRITICAL
CVSS
9.8
EPSS
1.65%

Original NVD Description

immer is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')