How severe is CVE-2023-41973?

CVE-2023-41973 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2023-41973 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-41973?

CVE-2023-41973 affects Zscaler Client Connector. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-41973?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-41973 have an EU (EUVD) identifier?

Yes. CVE-2023-41973 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-46432.

When was CVE-2023-41973 published?

CVE-2023-41973 was published on 2024-03-26 and last updated on 2026-06-17.

CVE-2023-41973

CVE-2023-41973 is a high-severity vulnerability in Zscaler Client Connector with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-46432
Weakness: CWE-22
Affected product: Zscaler Client Connector
Published: 2024-03-26
Last modified: 2026-06-17

Description

ZSATray passes the previousInstallerName as a config parameter to TrayManager, and TrayManager constructs the path and appends previousInstallerName to get the full path of the exe. Fixed Version: Win ZApp 4.3.0.121 and later.

Frequently asked questions

What is CVE-2023-41973?: ZSATray passes the previousInstallerName as a config parameter to TrayManager, and TrayManager constructs the path and appends previousInstallerName to get the full path of the exe. Fixed Version: Win ZApp 4.3.0.121 and later.
How severe is CVE-2023-41973?: CVE-2023-41973 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2023-41973 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-41973?: CVE-2023-41973 affects Zscaler Client Connector. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-41973?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-41973 have an EU (EUVD) identifier?: Yes. CVE-2023-41973 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-46432.
When was CVE-2023-41973 published?: CVE-2023-41973 was published on 2024-03-26 and last updated on 2026-06-17.

References

https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Windows&applicable_version=4.3.0.121&deployment_date=2023-09-01&id=1463196

Affected products (1)

cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:windows:*:*

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