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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (30.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
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)
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.