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Case File

CVE-2021-40865

CRITICAL · CVSS 9.8 EPSS 65.59% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-10-25 · 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
remote code execution code execution

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

CVE
CVE-2021-40865
Severity
CRITICAL
CVSS
9.8
EPSS
65.59%
Apache

Original NVD Description

An Unsafe Deserialization vulnerability exists in the worker services of the Apache Storm supervisor server allowing pre-auth Remote Code Execution (RCE). Apache Storm 2.2.x users should upgrade to version 2.2.1 or 2.3.0. Apache Storm 2.1.x users should upgrade to version 2.1.1. Apache Storm 1.x users should upgrade to version 1.2.4