AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2021-43267

CRITICAL · CVSS 9.8 EPSS 57.58% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-11-02 · 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.

Detected Signals
exploit
GitHub PoC Links
github.com ↗

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

CVE
CVE-2021-43267
Severity
CRITICAL
CVSS
9.8
EPSS
57.58%
Linux

Original NVD Description

An issue was discovered in net/tipc/crypto.c in the Linux kernel before 5.14.16. The Transparent Inter-Process Communication (TIPC) functionality allows remote attackers to exploit insufficient validation of user-supplied sizes for the MSG_CRYPTO message type.