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CVE-2023-4554— XML External Entity (XXE) Processing

Quick assessment

Affected
OpenText AppBuilder
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenText AppBuilder是加拿大OpenText公司的一款应用程序。 OpenText AppBuilder 21.2 版本到 23.2 版本存在安全漏洞，该漏洞源于 XML 外部实体注入，允许服务器端请求伪造、探测系统文件。

CVSS 4.9 · Medium EPSS 0.43% · P36
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I. Basic Information for CVE-2023-4554

Vulnerability Information
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Vulnerability Title
XML External Entity (XXE) Processing
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: CVE Program / CVE List V5
Vulnerability Title
OpenText AppBuilder 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenText AppBuilder是加拿大OpenText公司的一款应用程序。 OpenText AppBuilder 21.2 版本到 23.2 版本存在安全漏洞，该漏洞源于 XML 外部实体注入，允许服务器端请求伪造、探测系统文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
OpenText AppBuilder 21.2 ~ 23.2 -

II. Public POCs for CVE-2023-4554

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III. Intelligence Information for CVE-2023-4554

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Other References for CVE-2023-4554 (1)

Same Patch Batch · OpenText · 2024-01-29 · 5 CVEs total

CVE-2023-4550 7.5 HIGH Unauthenticated Arbitrary File Read
CVE-2023-4551 7.2 HIGH Command Injection via Task Scheduler
CVE-2023-4552 5.5 MEDIUM Java Database Connectivity (JDBC) URL Manipulation
CVE-2023-4553 5.3 MEDIUM Unauthenticated Access to AppBuilder Configuration Files

IV. Related Vulnerabilities

Same product: AppBuilder
Same vendor: OpenText
Same weakness: CWE-611

V. Comments for CVE-2023-4554

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