CVE-2025-54983
Medium · 5.2CVSS
5.2
EPSS
0.1%
Published
Nov 12, 2025
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
Related vulnerabilities
- CVE-2026-59951 The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context… CWE-772
- CVE-2026-18149 undici's retry handler can leave an already-exposed response body pending forever. CWE-772
- CVE-2026-71380 Missing Release of Resource after Effective Lifetime vulnerability in Erlang/OTP inets… CWE-772
- CVE-2026-59320 When a container-level ErrorHandler is configured (the mitigation for finding 221000)… CWE-772
- CVE-2026-73508 Netty is an asynchronous, event-driven network application framework. CWE-772
- CVE-2026-73215 Coturn is a free open source implementation of TURN and STUN Server. CWE-772
- CVE-2026-11811 The UpdateHub over-the-air update client's start_coap_client() in… CWE-772
- CVE-2026-13505 In Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2… CWE-772