User Enumeration Vulnerability in Zenitel Connect
CVE-2026-105671

6.9MEDIUM

Key Information:

Vendor

Zenitel

Status
Zenitel Connect
Vendor
CVE Published:
13 November 2026

What is CVE-2026-105671?

The login mechanism in Zenitel Connect before version 1.11.0 is flawed, as it provides varying error messages based on the existence of submitted usernames. This discrepancy allows remote attackers to infer valid usernames through strategically crafted login attempts, increasing the risk of targeted attacks and unauthorized access.

Affected Version(s)

Zenitel Connect 0 < 1.11.0

References

https://www.zenitel.com/sites/default/files/2026-11/A100K...

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Reported by ZeroSubnet
.