CVE-2026-105671 - Vulnerability Details - OpenCVE

The login flow in Zenitel Connect before 1.11.0 returns different error responses depending on whether a submitted username exists, which allows remote attackers to enumerate valid user accounts via crafted login requests.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Zenitel	Zenitel Connect

No data.

No data.

References

Link	Providers
https://www.zenitel.com/sites/default/files/2026-11/A100K12404-Zenitel-Security-Advisory.pdf

History

Sat, 14 Nov 2026 22:45:00 +0000

Type	Values Removed	Values Added
First Time appeared		Zenitel Zenitel zenitel Connect
Vendors & Products		Zenitel Zenitel zenitel Connect

Fri, 13 Nov 2026 15:45:00 +0000

Type	Values Removed	Values Added
Description		The login flow in Zenitel Connect before 1.11.0 returns different error responses depending on whether a submitted username exists, which allows remote attackers to enumerate valid user accounts via crafted login requests.
Title		Zenitel Connect login allows username enumeration via verbose error responses
Weaknesses		CWE-204
References		https://www.zenitel.com/sites/default/files/2026-11/A100K12404-Zenitel-Security-Advisory.pdf
Metrics		cvssV4_0 `{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: Zenitel

Published: 2026-11-13T15:37:28.294Z

Updated: 2026-11-13T20:04:47.622Z

Reserved: 2026-10-05T17:24:32.718Z

Link: CVE-2026-105671

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-11-13T16:17:23.350

Modified: 2026-11-13T20:17:43.600

Link: CVE-2026-105671

Redhat

No data.

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