What is CVE-2025-3091?

CVE-2025-3091 is a high-severity vulnerability in Helmholz Myrex24, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2025-06-24.

How severe is CVE-2025-3091?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Helmholz Myrex24

CVE-2025-3091

An low privileged remote attacker in possession of the second factor for another user can login as that user without knowledge of the other user`s password.

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.004 (62.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Helmholz Myrex24 — versions 0
Helmholz Myrex24.virtual — versions 0
Mb Connect Line Mbconnect24 — versions 0
Mb Connect Line Mymbconnect24 — versions 0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

Frequently asked questions

What is CVE-2025-3091?: CVE-2025-3091 is a high-severity vulnerability in Helmholz Myrex24, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2025-06-24.
How severe is CVE-2025-3091?: High severity. CVSS v3 base score is 7.5 out of 10.