CVE-2025-54983

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CVSS 3.1

5.2 medium

EPSS

<1%p2

Published

Nov 12, 2025 (Nov 12, 2025)

Modified

Jun 17, 2026

Description

A health check port on Zscaler Client Connector on Windows, versions 4.6 < 4.6.0.216 and 4.7 < 4.7.0.47, which under specific circumstances was not released after use, allowed traffic to potentially bypass ZCC forwarding controls.

Weakness: CWE-772
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.1%)

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