CVE-2025-36603 XML external entity in AppSync

Medium 4.2 Published 21 Jul 2025 Updated 21 Jul 2025

A local low-privileged attacker can exploit an XML External Entity vulnerability in Dell AppSync to disclose and tamper with information.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2025-36603?

CVE-2025-36603 is a medium-severity vulnerability in Dell AppSync, published on 21 Jul 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Dell AppSync, version(s) 4.6.0.0, contains an Improper Restriction of XML External Entity Reference vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Information disclosure and Information tampering.

Weakness: CWE-611

Which versions are affected by CVE-2025-36603?

It affects 1 product.

Products include Dell Appsync.

How do I fix CVE-2025-36603?

No fix has been published for CVE-2025-36603 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-36603 being exploited?

There is no known exploitation of CVE-2025-36603 in the wild and no public exploit code.

Sources

Also known as GHSA-v2xr-whr4-9p35.