CVE-2023-28793

7.8 highEPSS 0.3%

High (7.8) in zscaler client connector. EPSS 0.3% chance of exploitation in the next 30 days.

Buffer overflow vulnerability in the signelf library used by Zscaler Client Connector on Linux allows Code Injection. This issue affects Zscaler Client Connector for Linux: before 1.3.1.6.

Severity

CVSS 3.1

7.8 high

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 23% of CVEs (scores of 2026-10-31)
CWEs: CWE-787, CWE-94
Published: 2023-10-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

zscaler:client_connector

References

https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=Linux&applicable_version=1.3.1&deployment_date=2022-09-19
https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=Linux&applicable_version=1.3.1&deployment_date=2022-09-19

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