CVE-2021-40865

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Oct 25, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-40865: Critical severity, CVSS 9.8 | Vulnix