How severe is CVE-2024-23458?

CVE-2024-23458 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-2024-23458 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-23458?

CVE-2024-23458 affects Zscaler Client Connector. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-23458?

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-2024-23458 have an EU (EUVD) identifier?

Yes. CVE-2024-23458 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-20956.

When was CVE-2024-23458 published?

CVE-2024-23458 was published on 2024-08-06 and last updated on 2026-06-17.

CVE-2024-23458

CVE-2024-23458 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-346.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-20956
Weakness: CWE-346
Affected product: Zscaler Client Connector
Published: 2024-08-06
Last modified: 2026-06-17

Description

While copying individual autoupdater log files, reparse point check was missing which could result into crafted attacks, potentially leading to a local privilege escalation. This issue affects Zscaler Client Connector on Windows <4.2.0.190.

Frequently asked questions

What is CVE-2024-23458?: While copying individual autoupdater log files, reparse point check was missing which could result into crafted attacks, potentially leading to a local privilege escalation. This issue affects Zscaler Client Connector on Windows <4.2.0.190.
How severe is CVE-2024-23458?: CVE-2024-23458 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-2024-23458 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-23458?: CVE-2024-23458 affects Zscaler Client Connector. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-23458?: 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-2024-23458 have an EU (EUVD) identifier?: Yes. CVE-2024-23458 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-20956.
When was CVE-2024-23458 published?: CVE-2024-23458 was published on 2024-08-06 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=4.2.0.190

Affected products (1)

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

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