How severe is CVE-2024-23459?

CVE-2024-23459 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2024-23459 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-23459?

CVE-2024-23459 affects Zscaler Client Connector. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-23459?

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-2024-23459 have an EU (EUVD) identifier?

Yes. CVE-2024-23459 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-20957.

When was CVE-2024-23459 published?

CVE-2024-23459 was published on 2024-05-02 and last updated on 2026-06-17.

CVE-2024-23459

CVE-2024-23459 is a high-severity vulnerability in Zscaler Client Connector with a CVSS 3.x base score of 7.1. 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-59.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-20957
Weakness: CWE-59
Affected product: Zscaler Client Connector
Published: 2024-05-02
Last modified: 2026-06-17

Description

An Improper Link Resolution Before File Access ('Link Following') vulnerability in Zscaler Client Connector on Mac allows a system file to be overwritten.This issue affects Zscaler Client Connector on Mac : before 3.7.

Frequently asked questions

What is CVE-2024-23459?: An Improper Link Resolution Before File Access ('Link Following') vulnerability in Zscaler Client Connector on Mac allows a system file to be overwritten.This issue affects Zscaler Client Connector on Mac : before 3.7.
How severe is CVE-2024-23459?: CVE-2024-23459 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2024-23459 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-23459?: CVE-2024-23459 affects Zscaler Client Connector. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-23459?: 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-2024-23459 have an EU (EUVD) identifier?: Yes. CVE-2024-23459 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-20957.
When was CVE-2024-23459 published?: CVE-2024-23459 was published on 2024-05-02 and last updated on 2026-06-17.

References

https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=macos&applicable_version=3.7

Affected products (1)

cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:macos:*:*

More vulnerabilities in Zscaler Client Connector

CVE-2020-11633 — Critical (CVSS 9.8): The Zscaler Client Connector for Windows prior to 2.1.2.74 had a stack based buffer overflow when connecting to…
CVE-2024-23463 — High (CVSS 8.8): Anti-tampering protection of the Zscaler Client Connector can be bypassed under certain conditions when running the…
CVE-2023-28804 — High (CVSS 8.2): An Improper Verification of Cryptographic Signature vulnerability in Zscaler Client Connector on Linux allows replacing…
CVE-2023-28799 — High (CVSS 8.2): A URL parameter during login flow was vulnerable to injection. An attacker could insert a malicious domain in this…
CVE-2023-28800 — High (CVSS 8.1): When using local accounts for administration, the redirect url parameter was not encoded correctly, allowing for an XSS…
CVE-2024-23456 — High (CVSS 7.8): Anti-tampering can be disabled under certain conditions without signature validation. This affects Zscaler Client…

All CVEs affecting Zscaler Client Connector →

Other CWE-59 (Improper Link Resolution Before File Access (Link Following)) vulnerabilities

CVE-2024-37143 — Critical (CVSS 10.0): Dell PowerFlex appliance versions prior to IC 46.381.00 and IC 46.376.00, Dell PowerFlex rack versions prior to RCM…
CVE-2024-28189 — Critical (CVSS 10.0): Judge0 is an open-source online code execution system. The application uses the UNIX chown command on an untrusted file…
CVE-2024-28185 — Critical (CVSS 10.0): Judge0 is an open-source online code execution system. The application does not account for symlinks placed inside the…
CVE-2022-22995 — Critical (CVSS 10.0): The combination of primitives offered by SMB and AFP in their default configuration allows the arbitrary writing of…
CVE-2014-4480 — Critical (CVSS 10.0): Directory traversal vulnerability in afc in AppleFileConduit in Apple iOS before 8.1.3 and Apple TV before 7.0.3 allows…
CVE-2002-2374 — Critical (CVSS 10.0): Unspecified vulnerability in pprosetup in Sun PatchPro 2.0 has unknown impact and attack vectors related to "unsafe use…

Browse all CWE-59 (Improper Link Resolution Before File Access (Link Following)) vulnerabilities →