CVE-2025-3092
MB connect line: Observable response discrepancy in mbCONNECT24/mymbCONNECT24
An unauthenticated remote attacker can enumerate valid user names from an unprotected endpoint.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
MB connect line: Observable response discrepancy in mbCONNECT24/mymbCONNECT24
An unauthenticated remote attacker can enumerate valid user names from an unprotected endpoint.
- Record
CVE-2025-3092- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-204
- Updated
- 2026-11-02
EUVDEUVD-2025-19011
An unauthenticated remote attacker can enumerate valid user names from an unprotected endpoint.
- Record
EUVD-2025-19011- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-w2r4-cm6p-7h86
An unauthenticated remote attacker can enumerate valid user names from an unprotected endpoint.
An unauthenticated remote attacker can enumerate valid user names from an unprotected endpoint.
- Record
GHSA-w2r4-cm6p-7h86- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-204
- Updated
- 2026-11-02
NVD
An unauthenticated remote attacker can enumerate valid user names from an unprotected endpoint.
- Record
CVE-2025-3092- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-204
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-3092 is a high vulnerability (CVSS 7.5) in Mb Connect Line Mbconnect24, published June 24, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.47%, the 40th percentile. No source names a fixed version.