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CVE-2024-23480

27
FAUCET Score

CVE-2024-23480 describes a critical vulnerability in Zscaler Client Connector on macOS versions prior to 4.2, where a flawed code sign checking fallback mechanism allows for arbitrary code execution. With a CVSS score of 9.8, this vulnerability is highly severe, requiring no user interaction or privileges, and can lead to complete compromise of confidentiality, integrity, and availability. While no public exploits, Metasploit modules, or active exploitation have been observed, and community discussion is minimal, the high FAUCET Risk Score of 85/100 indicates significant potential danger.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0, < 4.2CPE match
cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:chrome_os:*:*
< 4.2CPE matchmatch criteria
cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:macos:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.1
Impact Score
5.8
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.30%
Probability of exploitation in next 30 days
EPSS Percentile
22.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0030 is in the 3rd percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

help.zscaler.com / client-connector/client-connector-app-release-summary-2023
Release NotesVendor Advisory