AUGUST 5, 2026
Live Feed
Back to database
Case File

CVE-2021-42076

HIGH · CVSS 7.5 EPSS 1.52% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-11-08 · 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-2021-42076
Severity
HIGH
CVSS
7.5
EPSS
1.52%

Original NVD Description

An issue was discovered in Barrier before 2.3.4. An attacker can cause memory exhaustion in the barriers component (aka the server-side implementation of Barrier) and barrierc by sending long TCP messages.

Related CVEs

Other vulnerabilities affecting the same vendor(s)