CVE-2023-4550 - CVE House
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Status published High CVE-2023-4550

Unauthenticated Arbitrary File Read

Vulnerability Description

Improper Input Validation, Files or Directories Accessible to External Parties vulnerability in OpenText AppBuilder on Windows, Linux allows Probe System Files. An unauthenticated or authenticated user can abuse a page of AppBuilder to read arbitrary files on the server on which it is hosted. This issue affects AppBuilder: from 21.2 before 23.2.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • George Mathias

References

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Affected Vendor

Affected Software

AppBuilder
Vulnerable Versions:
23.2, 21.2

Timeline

Official Publish: January 29th, 2024
Last Modified: November 12th, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)

CWE-20 CWE-552

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1059 Command and Scripting Interpreter
Execution
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1213 Data from Information Repositories
Collection
T1565.002 Stored Data Manipulation
Impact
T1083 File and Directory Discovery
Discovery
T1005 Data from Local System
Collection
T1041 Exfiltration Over C2 Channel
Exfiltration
T1565 Data Manipulation
Impact