Authentication Bypass in User Accounts by Undisclosed Vendor
CVE-2025-3091

7.5HIGH

Key Information:

Vendor
CVE Published:
24 June 2025

What is CVE-2025-3091?

A vulnerability exists in the user authentication mechanism that allows a low privileged remote attacker who possesses the second factor of another user to bypass the password requirement and gain unauthorized access to the victim's account. This exploitation can lead to significant security risks, as it enables access to sensitive information without proper authorization.

Affected Version(s)

mbCONNECT24 0 < 2.16.5

mymbCONNECT24 0 < 2.18.0

mymbCONNECT24 0 < 2.18.0

References

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Peter Husted Simonsen
Irwin Przeperski
Eviden
.
CVE-2025-3091 : Authentication Bypass in User Accounts by Undisclosed Vendor