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Medium · 6.9 CVE-2026-105624 EUVD-2026-125455GHSA-hhfj-m7jc-gf5x

Zenitel Connect login allows account-lockout denial of service

Published Nov 13, 2026 · Updated Nov 13, 2026 · Assigned by Zenitel

Description

The login flow in Zenitel Connect before 1.11.0 applies per-account lockout on repeated failed login attempts, which allows remote attackers to cause a denial of service (temporary lockout of targeted user accounts from the web interface, repeatable for as long as the attack continues) via repeated failed login requests for a known or guessed username. Intercom call handling is not affected.

Affected products

VendorProductAffectedFixed
Zenitel Zenitel Connect < 1.11.0 1.11.0

References