CVE-2025-54983CWE-772

CVE-2025-54983

Medium · published November 12, 2025

CVSS v3.1
5.2
EPSS
0%
Percentile
2.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.2 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00132 · 2.5th percentile
Weakness
CWE-772 · Missing Release of Resource after Effective Lifetime
Published
2025-11-12T09:15Z
References (1)
EPSS history
Timeline
  • 12 NOV 03:07Z
    Health check port on ZCC allows tunnel bypass
    cvelistv5