CVE-2023-4550 Unauthenticated Arbitrary File Read

High 7.5 Published 29 Jan 2024 Updated 12 Nov 2024

Unauthenticated attackers can read arbitrary files on the server hosting OpenText AppBuilder via improper input validation.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-4550?

CVE-2023-4550 is a high-severity path traversal vulnerability in OpenText AppBuilder, published on 29 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-552, CWE-20

Which versions are affected by CVE-2023-4550?

It affects 1 product.

Products include Opentext Appbuilder.

How do I fix CVE-2023-4550?

No fix has been published for CVE-2023-4550 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2023-4550 being exploited?

There is no known exploitation of CVE-2023-4550 in the wild and no public exploit code.

Sources

Also known as GHSA-crgw-m82j-jv5c.