CVE-2023-28806: zscaler client_connector
CVSS: 6.5v3.1MediumAnalyzed
Published 06-08-2024Last modified 06-08-2024
Vulnerability summary
CVE-2023-28806 is a medium (CVSS 6.5) vulnerability in zscaler client_connector. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 7.9% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
0.19%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 06-08-2024PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
An Improper Validation of signature in Zscaler Client Connector on Windows allows an authenticated user to disable anti-tampering. This issue affects Client Connector on Windows <4.2.0.190.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NSources2 sources · 5.7–6.5
- CVE.orgCNA5.7MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:NDiffers
EPSS trend
Probability
0.19%
Chance of exploitation in the next 30 days
Percentile
8%
Versus all other CVEs
30-day change
0.00 pp
From 0.19% on 20-09-2026
20-09-202620-10-2026
EPSS score0.19%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Zscaler1 product
- client_connector< 4.2.0.190
1 vendor · 1 product
References
1 links- help.zscaler.com/client-connector/…Vendor Advisory