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

CWE-502

Affected software

Vendor	Product	Versions
Apache Software Foundation	Apache Storm	>= v1.0.0, < Apache Storm *; >= Apache Storm, < v1.2.4

References

https://lists.apache.org/thread.html/r8d45e74299897b6734dd0f788c46a631009ce2eeb731523386f7a253%40%3Cuser.storm.apache.org%3EMailing List, Vendor Advisory
https://seclists.org/oss-sec/2021/q4/45Mailing List, Third Party Advisory
https://lists.apache.org/thread.html/r8d45e74299897b6734dd0f788c46a631009ce2eeb731523386f7a253%40%3Cuser.storm.apache.org%3EMailing List, Vendor Advisory
https://seclists.org/oss-sec/2021/q4/45Mailing List, Third Party Advisory

Timeline

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

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