CVE-2021-40865

Unsafe Pre-Authentication Deserialization In Workers

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

Remediation

Workaround:

  • 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

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 54.68% Top 5%
Vendor Advisory apache.org
Affected: Apache Software Foundation Apache Storm
Published at:
Updated at:

References

Link Tags
https://lists.apache.org/thread.html/r8d45e74299897b6734dd0f788c46a631009ce2eeb731523386f7a253%40%3Cuser.storm.apache.org%3E mailing list vendor advisory
https://seclists.org/oss-sec/2021/q4/45 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-40865?
CVE-2021-40865 has been scored as a critical severity vulnerability.
How to fix CVE-2021-40865?
As a workaround for remediating CVE-2021-40865: 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
Is CVE-2021-40865 being actively exploited in the wild?
It is possible that CVE-2021-40865 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~55% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-40865?
CVE-2021-40865 affects Apache Software Foundation Apache Storm.
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