CVE-2023-4554

XML External Entity (XXE) Processing

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Improper Restriction of XML External Entity Reference vulnerability in OpenText AppBuilder on Windows, Linux allows Server Side Request Forgery, Probe System Files.

AppBuilder's XML processor is vulnerable to XML External Entity Processing (XXE), allowing an authenticated user to upload specially crafted XML files to induce server-side request forgery, disclose files local to the server that processes them.

This issue affects AppBuilder: from 21.2 before 23.2.

Vulnerabilidad de restricción inadecuada de la referencia de entidad externa XML en OpenText AppBuilder en Windows, Linux permite la server-side request forgery y sondear archivos del sistema. El procesador XML de AppBuilder es vulnerable al procesamiento de entidades externas XML (XXE), lo que permite a un usuario autenticado cargar archivos XML especialmente manipulados para inducir server-side request forgery y revelar archivos locales al servidor que los procesa. Este problema afecta a AppBuilder: desde 21.2 antes de 23.2.

*Credits: George Mathias

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-08-25 CVE Reserved
2024-01-29 CVE Published
2024-02-06 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-611: Improper Restriction of XML External Entity Reference

CAPEC

CAPEC-639: Probe System Files
CAPEC-664: Server Side Request Forgery

References (0)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Opentext Search vendor "Opentext"	Appbuilder Search vendor "Opentext" for product "Appbuilder"	>= 21.2 < 23.2 Search vendor "Opentext" for product "Appbuilder" and version " >= 21.2 < 23.2"	-	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe
Opentext Search vendor "Opentext"	Appbuilder Search vendor "Opentext" for product "Appbuilder"	>= 21.2 < 23.2 Search vendor "Opentext" for product "Appbuilder" and version " >= 21.2 < 23.2"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe