TI-2024-15526 Aliases CVE-2024-23480 GHSA-gvpq-95j2-mc36

Insecure MacOS code sign check fallback

MEDIUM 43CWE-347Published 2024-05-01 · Updated 2024-08-01

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-347.

Summary

A fallback mechanism in code sign checking on macOS may allow arbitrary code execution. This issue affects Zscaler Client Connector on MacOS prior to 4.2.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00301 23rd percentileScored 2026-11-07

Fix Fixed Client Connector (Zscaler): 4.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Zscaler	Client Connector	before 4.2	4.2	Patch available	CNA

Client Connector VendorZscaler Affected before 4.2 Fixed in 4.2 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:zscaler:client_connector::::::macos::*	before 4.2	Vulnerable	Zscaler

cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:macos:*:* Versions before 4.2 Vulnerable ·Zscaler

Remediation

Fix · CNA Client Connector (Zscaler) Fixed in 4.2

Timeline

2026-10-02 Threatist record created from CVE-2024-23480
2026-10-03 Alias added: GHSA-gvpq-95j2-mc36

References

Advisory 1

https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=macos&applicable_version=4.2

TI-2020-09334 The Zscaler Client Connector for Windows prior to 2.1.2.74 had a stack based buffer… CVSS 3.1CRITICAL 9.8
TI-2024-15528 Local Privilege Escalation via lack of input validation CVSS 3.1CRITICAL 9.8
TI-2024-15505 Multiple Arbitrary Creates/Overwrites by link following CVSS 3.1CRITICAL 9.8
TI-2023-13308 Out-of-bounds write to heap in pacparser CVSS 3.1CRITICAL 9.8
TI-2023-13315 ZCC on Linux privilege escalation CVSS 3.1CRITICAL 9.8
TI-2023-13314 Linux ZCC allows unsigned updates, allowing elevated Code Execution CVSS 3.1HIGH 8.2

See all 40 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences