CVE-2021-40503 Information disclosure in SAP GUI for Windows

Q: Is CVE-2021-40503 being exploited?

There is no known exploitation of CVE-2021-40503 in the wild and no public exploit code.

Q: How do I fix CVE-2021-40503?

No fix has been published for CVE-2021-40503 yet. Limit exposure of the affected software until one is available.

High 7.8 Published 10 Nov 2021 Updated 4 Aug 2024

A local attacker can retrieve the user's password from SAP GUI for Windows, enabling unauthorized access to the backend system.

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

What is CVE-2021-40503?

CVE-2021-40503 is a high-severity vulnerability in SAP GUI for Windows, published on 10 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An information disclosure vulnerability exists in SAP GUI for Windows - versions < 7.60 PL13, 7.70 PL4, which allows an attacker with sufficient privileges on the local client-side PC to obtain an equivalent of the user’s password. With this highly sensitive data leaked, the attacker would be able to logon to the backend system the SAP GUI for Windows was connected to and launch further attacks depending on the authorizations of the user.

Weakness: CWE-522

Which versions are affected by CVE-2021-40503?

It affects 1 product.

Products include Sap Gui for Windows.

How do I fix CVE-2021-40503?

No fix has been published for CVE-2021-40503 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-40503 being exploited?

There is no known exploitation of CVE-2021-40503 in the wild and no public exploit code.

Sources

Also known as GHSA-j8r9-mcxg-mjg4.