An Improper Validation of Integrity Check Value vulnerability in Zscaler Client Connector on Windows during the Repair App functionality may allow Local Execution of Code.This issue affects Client Connector on Windows: before 4.1.0.62.
Conclusion & alert: CVE-2023-41970 is rated Low Risk (30/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.05%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-02-20 | 0.04% | 0.05% | +0.01% |
| 2 | 2024-05-03 | — | 0.04% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.0 | 3.1 | MEDIUM |
|
0.5 | 5.5 | [email protected] |
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| zscaler | client_connector | < 4.1.0.62 | cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:windows:*:* |
| URL | Tags |
|---|---|
| https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=windows&applicable_version=4.1 | Vendor Advisory Release Notes |