// For flags

CVE-2021-40865

Unsafe Pre-Authentication Deserialization In Workers

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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

Se presenta una vulnerabilidad de deserialización no segura en los servicios de trabajadores del servidor supervisor Apache Storm que permite una ejecución de código remota (RCE) antes de la autenticación. Los usuarios de Apache Storm versiones 2.2.x deben actualizar a la versión 2.2.1 o 2.3.0. Los usuarios de Apache Storm 2.1.x deben actualizar a la versión 2.1.1. Los usuarios de Apache Storm 1.x deben actualizar a la versión 1.2.4

*Credits: Apache Storm would like to thank @pwntester Alvaro Muñoz of the GitHub Security Lab team for reporting this issue.
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-09-12 CVE Reserved
  • 2021-10-25 CVE Published
  • 2021-11-26 First Exploit
  • 2024-07-10 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-502: Deserialization of Untrusted Data
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Apache
Search vendor "Apache"
 Storm
Search vendor "Apache" for product "Storm"
 >= 1.0.0 < 1.2.4
Search vendor "Apache" for product "Storm" and version " >= 1.0.0 < 1.2.4"
-
Affected
Apache
Search vendor "Apache"
 Storm
Search vendor "Apache" for product "Storm"
 >= 2.1.0 < 2.1.1
Search vendor "Apache" for product "Storm" and version " >= 2.1.0 < 2.1.1"
-
Affected
Apache
Search vendor "Apache"
 Storm
Search vendor "Apache" for product "Storm"
 >= 2.2.0 < 2.2.1
Search vendor "Apache" for product "Storm" and version " >= 2.2.0 < 2.2.1"
-
Affected