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CVE-2024-23459

26
FAUCET Score

CVE-2024-23459 is a critical Improper Link Resolution Before File Access vulnerability affecting Zscaler Client Connector on Mac, specifically versions prior to 3.7. This flaw allows an unauthenticated attacker to overwrite a system file, leading to complete compromise of confidentiality, integrity, and availability. While the vulnerability has a CVSS score of 9.8 and a high FAUCET Risk Score, there is currently no public exploit code, active exploitation, or significant community discussion surrounding it.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0, < 3.7CPE match
cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:chrome_os:*:*
< 3.7CPE matchmatch criteria
cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:macos:*:*

CVSS Data

CVSS version used by this source: 3.1

7.1HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.47%
Probability of exploitation in next 30 days
EPSS Percentile
38.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0047 is in the 16th 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-2022
Release NotesVendor Advisory