CVE-2024-23463: Anti-tampering protection of the Zscaler Client Connector can be bypassed under certain conditions when runnin

Q: How do I fix CVE-2024-23463?

client connector: upgrade to 4.2.1. Exact commands for each OS are on this page.

Q: Is CVE-2024-23463 being exploited?

CVE-2024-23463 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-23463 affect?

CVE-2024-23463 affects client connector. Severity is high (CVSS 8.8). 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

Routine

HIGH 8.8UPGRADE

CVE-2024-23463 is a high-severity flaw (CVSS 8.8) affecting client connector. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 69%)
CISA exploited list	No
Weakness	CWE-367
Published	2024-04-30
Last modified	2026-06-17

Publisher (CNA): Zscaler, Inc. · Vendor: zscaler

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-04-30 17:15 UTCPublished CVE record published
2026-06-17 07:13 UTCUpdated Record last modified

zscaler client connector UPGRADE

Affected: < 4.2.1

Fixed in: 4.2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy client-connector || rpm -q client-connector || client-connector --version

2. UPGRADE to 4.2.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade client-connector

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade client-connector

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-23463?

client connector: upgrade to 4.2.1. Exact commands for each OS are on this page.

Is CVE-2024-23463 being exploited?

CVE-2024-23463 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-23463 affect?

CVE-2024-23463 affects client connector. Severity is high (CVSS 8.8). 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

How urgent is CVE-2024-23463?

Priority 39/100. High severity

Software pages

Windows vulnerabilities

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References

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