CVE-2025-54816 EVMAPA Missing Authentication for Critical Function

Critical 9.4 Published 22 Jan 2026 Updated 23 Jan 2026

Attackers can access sensitive data or perform unauthorized actions via an unauthenticated WebSocket endpoint in EVMAPA systems.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-54816?

CVE-2025-54816 is a critical missing authorization vulnerability in EVMAPA, published on 22 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

This vulnerability occurs when a WebSocket endpoint does not enforce proper authentication mechanisms, allowing unauthorized users to establish connections. As a result, attackers can exploit this weakness to gain unauthorized access to sensitive data or perform unauthorized actions. Given that no authentication is required, this can lead to privilege escalation and potentially compromise the security of the entire system.

Weakness: CWE-306

Which versions are affected by CVE-2025-54816?

It affects 1 product.

Products include Evmapa Evmapa.

How do I fix CVE-2025-54816?

No fix has been published for CVE-2025-54816 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-2025-54816 being exploited?

There is no known exploitation of CVE-2025-54816 in the wild and no public exploit code.

Sources

Also known as GHSA-fpfh-v96r-h7v9.