CVE-2025-42979 Insecure Key & Secret Management vulnerability in SAP GUI for Windows
Attackers with local registry access can recover RFC user credentials due to insecure obfuscation instead of secure encryption in SAP GUI for Windows.
- 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-2025-42979?
CVE-2025-42979 is a medium-severity vulnerability in SAP_SE SAP GUI for Windows, published on 8 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The GuiXT application, which is integrated with SAP GUI for Windows, uses obfuscation algorithms instead of secure symmetric ciphers for storing the credentials of an RFC user on the client PC. This leads to a high impact on confidentiality because any attacker who gains access to the user hive of this user�s windows registry could recreate the original password. There is no impact on integrity or availability of the application
Weakness: CWE-922
Which versions are affected by CVE-2025-42979?
How do I fix CVE-2025-42979?
No fix has been published for CVE-2025-42979 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-42979 being exploited?
There is no known exploitation of CVE-2025-42979 in the wild and no public exploit code.
Sources
Also known as GHSA-3px8-gf2c-qqrh.