CVE-2023-4550: Unauthenticated Arbitrary File Read

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-01-29 · updated 2026-06-17
Weakness: CWE-20

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.

Affected products

OpenText AppBuilder: from 21.2 before 23.2 — fixed in 23.2

How to fix

Upgrade to a fixed version: OpenText AppBuilder 23.2. Check the vendor advisory for mitigations.

References

https://support.opentext.com/csm?id=ot_kb_search&kb_category=61648712db61781068cfd6c4e296197b
https://support.opentext.com/csm?id=ot_kb_search&kb_category=61648712db61781068cfd6c4e296197b

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