CVE-2025-4677 Idle session timeout is not configured for multiple open ports
An attacker can maintain unauthorized access to ABB WebPro SNMP Cards due to missing idle session timeouts on open ports.
- 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-2025-4677?
CVE-2025-4677 is a high-severity missing authorization vulnerability in ABB WebPro SNMP Card PowerValue, published on 7 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Insufficient Session Expiration vulnerability in ABB WebPro SNMP Card PowerValue, ABB WebPro SNMP Card PowerValue UL.This issue affects WebPro SNMP Card PowerValue: through 1.1.8.K; WebPro SNMP Card PowerValue UL: through 1.1.8.K.
Weakness: CWE-613
Which versions are affected by CVE-2025-4677?
How do I fix CVE-2025-4677?
No fix has been published for CVE-2025-4677 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-4677 being exploited?
There is no known exploitation of CVE-2025-4677 in the wild and no public exploit code.
Sources
Also known as GHSA-w48j-gq3h-j3j3.