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TI-2024-15509 Aliases CVE-2024-23463GHSA-p7r9-xpgq-6hgj

Anti-Tampering bypass via Repair App functionality

Priority MEDIUM 40CWE-367Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Anti-tampering protection of the Zscaler Client Connector can be bypassed under certain conditions when running the Repair App functionality. This affects Zscaler Client Connector on Windows prior to 4.2.1

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00371 31st percentileScored 2026-11-07
Fix Fixed Client Connector (Zscaler): 4.2.1

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

VendorProductAffected versionsFixed inStatusSource
ZscalerClient Connectorbefore 4.2.14.2.1Patch availableCNA
  • Client Connector VendorZscaler Affected before 4.2.1 Fixed in 4.2.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:windows:*:*before 4.2.1VulnerableZscaler
  • cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:windows:*:* Versions before 4.2.1 Vulnerable ·Zscaler

Remediation

  • Fix · CNA Client Connector (Zscaler) Fixed in 4.2.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-23463
  2. 2026-10-03 Alias added: GHSA-p7r9-xpgq-6hgj

References

Advisory 1

  • 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-2024-15526 Insecure MacOS code sign check fallback 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
See all 40 →

Sources

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