CVE-2025-54816 — CRITICAL (9.4)

Vulnerability 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.

CVSS Score

9.4

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

LOW

Affected Products

Vendor	Product	Versions
Evmapa	Evmapa	All versions

Related Weaknesses (CWE)

CWE-306

References

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-02Third Party Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-26-022-08Third Party AdvisoryUS Government Resource

FAQ

What is CVE-2025-54816?

CVE-2025-54816 is a vulnerability with a CVSS score of 9.4 (CRITICAL). 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 w...

How severe is CVE-2025-54816?

CVE-2025-54816 has been rated CRITICAL with a CVSS base score of 9.4/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-54816?

Check the references section above for vendor advisories and patch information. Affected products include: Evmapa Evmapa.