CVE-2025-13777 Authentication Bypass due to Improper Session Validation
Attackers can bypass authentication via session replay attacks on ABB AWIN gateways, gaining unauthorized access to the device.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-13777?
CVE-2025-13777 is a high-severity authentication bypass vulnerability in ABB AWIN GW100 rev.2, published on 13 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Authentication bypass by capture-replay vulnerability in ABB AWIN GW100 rev.2, ABB AWIN GW120.This issue affects AWIN GW100 rev.2: 2.0-0, 2.0-1; AWIN GW120: 1.2-0, 1.2-1.
Weakness: CWE-294
Which versions are affected by CVE-2025-13777?
How do I fix CVE-2025-13777?
No fix has been published for CVE-2025-13777 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-13777 being exploited?
There is no known exploitation of CVE-2025-13777 in the wild and no public exploit code.
Sources
Also known as GHSA-7q82-436p-v87w.