Incorrect signature validation of package
Key facts
- Attack vector
- Local
- Privileges required
- Low
- 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
The Zscaler Updater process does not validate the digital signature of the installer before execution, allowing arbitrary code to be locally executed. This affects Zscaler Client Connector on MacOS <4.2.
Why it matters now
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
Remediation
- Fix · CNA Client Connector (Zscaler) Fixed in 4.2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Zscaler Client Connector 4.2
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2024-15528 Local Privilege Escalation via lack of input validationPriority MEDIUM 44
Timeline
- 2026-10-02 Threatist record created from CVE-2024-23460
- 2026-10-03 Alias added: GHSA-63rm-c268-28fh
References
More Zscaler Client Connector vulnerabilities
- 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
Sources
- CVE-2024-23460 · CVE Program
- CVE-2024-23460 · NVD
- FIRST EPSS
- GHSA-63rm-c268-28fh · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences