Traffic Bypass Vulnerability in Zscaler Client Connector for Windows

CVE-2025-54983

What is CVE-2025-54983?

A vulnerability in the Zscaler Client Connector for Windows exposes systems to potential security risks by allowing traffic to bypass established forwarding controls. In versions 4.6.0.216 and earlier, along with 4.7.0.47 and earlier, the health check port may not have been adequately closed under certain conditions, leading to unauthorized traffic access. This vulnerability can compromise network integrity and expose sensitive data if not addressed promptly.

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