How severe is CVE-2024-23457?

CVE-2024-23457 has a CVSS 3.x base score of 7.8, 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 high.

Is CVE-2024-23457 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-23457?

CVE-2024-23457 affects Zscaler Client Connector. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-23457?

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-2024-23457 have an EU (EUVD) identifier?

Yes. CVE-2024-23457 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-20955.

When was CVE-2024-23457 published?

CVE-2024-23457 was published on 2024-05-01 and last updated on 2026-06-17.

CVE-2024-23457

CVE-2024-23457 is a high-severity vulnerability in Zscaler Client Connector with a CVSS 3.x base score of 7.8. 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-269.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-20955
Weakness: CWE-269
Affected product: Zscaler Client Connector
Published: 2024-05-01
Last modified: 2026-06-17

Description

The anti-tampering functionality of the Zscaler Client Connector can be disabled under certain conditions when an uninstall password is enforced. This affects Zscaler Client Connector on Windows prior to 4.2.0.209

Frequently asked questions

What is CVE-2024-23457?: The anti-tampering functionality of the Zscaler Client Connector can be disabled under certain conditions when an uninstall password is enforced. This affects Zscaler Client Connector on Windows prior to 4.2.0.209
How severe is CVE-2024-23457?: CVE-2024-23457 has a CVSS 3.x base score of 7.8, 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 high.
Is CVE-2024-23457 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-23457?: CVE-2024-23457 affects Zscaler Client Connector. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-23457?: 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-2024-23457 have an EU (EUVD) identifier?: Yes. CVE-2024-23457 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-20955.
When was CVE-2024-23457 published?: CVE-2024-23457 was published on 2024-05-01 and last updated on 2026-06-17.

References

https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023

Affected products (1)

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

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