CVE-2025-54983
mediumpriority · track · 0EPSS 0.001 · 3 %ileDEEUEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (6)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-2578ZScaler Client Connector: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2025-11-11csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in ZScaler Client Connector ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (3)
External citations — patches, advisories, analysis.
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