// For flags

CVE-2023-51518

Apache James server: Privilege escalation via JMX pre-authentication deserialisation

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

Apache James prior to version 3.7.5 and 3.8.0 exposes a JMX endpoint on localhost subject to pre-authentication deserialisation of untrusted data.
Given a deserialisation gadjet, this could be leveraged as part of an exploit chain that could result in privilege escalation.
Note that by default JMX endpoint is only bound locally.

We recommend users to:
 - Upgrade to a non-vulnerable Apache James version

 - Run Apache James isolated from other processes (docker - dedicated virtual machine)
 - If possible turn off JMX

Apache James anterior a las versiones 3.7.5 y 3.8.0 expone un endpoint JMX en localhost sujeto a deserialización previa a la autenticación de datos que no son de confianza. Dado un dispositivo de deserialización, esto podría aprovecharse como parte de una cadena de explotación que podría resultar en una escalada de privilegios. Tenga en cuenta que, de forma predeterminada, el endpoint JMX solo está vinculado localmente. Recomendamos a los usuarios: - Actualizar a una versión de Apache James no vulnerable - Ejecutar Apache James aislado de otros procesos (docker - máquina virtual dedicada) - Si es posible, desactive JMX

*Credits: Mal Aware, Arnout Engelen
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2023-12-20 CVE Reserved
  • 2024-02-27 CVE Published
  • 2024-02-28 EPSS Updated
  • 2024-06-03 First Exploit
  • 2024-08-22 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 Software Foundation
Search vendor "Apache Software Foundation"
 Apache James Server
Search vendor "Apache Software Foundation" for product "Apache James Server"
 <= 3.7.4
Search vendor "Apache Software Foundation" for product "Apache James Server" and version " <= 3.7.4"
en
Affected
Apache Software Foundation
Search vendor "Apache Software Foundation"
 Apache James Server
Search vendor "Apache Software Foundation" for product "Apache James Server"
 3.8.0
Search vendor "Apache Software Foundation" for product "Apache James Server" and version "3.8.0"
en
Affected