CVE-2021-40865: An Unsafe Deserialization vulnerability exists in the worker services of the Apache Storm supervisor server allowing pre-auth Remote Code Execution (RCE)…

PriorityP275critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

65.59%

99.2th percentile

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

Affected

5 ranges

Vendor	Product	Version range	Fixed in
apache	storm	>= 1.0.0 < 1.2.4	1.2.4
apache	storm	>= 2.1.0 < 2.1.1	2.1.1
apache	storm	>= 2.2.0 < 2.2.1	2.2.1
apache_software_foundation	apache_storm	>= Apache Storm < v1.2.4	v1.2.4
apache_software_foundation	apache_storm	>= v1.0.0 < Apache Storm *	Apache Storm *

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.