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TI-2024-15503 Aliases CVE-2024-23457GHSA-rrr2-mvjv-hw48

Anti-tampering can be disabled with uninstall password enforced

Priority LOW 35CWE-269Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-269.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00204 10th percentileScored 2026-11-07
Fix Fixed Client Connector (Zscaler): 4.2.0.209

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 4.2.0.2094.2.0.209Patch availableCNA
  • Client Connector VendorZscaler Affected before 4.2.0.209 Fixed in 4.2.0.209 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:windows:*:*before 4.2.0.209VulnerableZscaler
  • cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:windows:*:* Versions before 4.2.0.209 Vulnerable ·Zscaler

Remediation

  • Fix · CNA Client Connector (Zscaler) Fixed in 4.2.0.209

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-23457
  2. 2026-10-03 Alias added: GHSA-rrr2-mvjv-hw48

References

  • 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