Is CVE-2023-28796 in the CISA KEV catalog?

No. CVE-2023-28796 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-28796?

CVE-2023-28796 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2023-28796?

CVE-2023-28796 has an EPSS score of 0.18% (8th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-28796?

Upgrade client connector to 1.3.1.6 or later.

CVE & CISA-KEV Catalog

CVE-2023-28796

HIGH

7.1

CVSS v3

NVD

Description

Improper Verification of Cryptographic Signature vulnerability in Zscaler Client Connector on Linux allows Code Injection. This issue affects Zscaler Client Connector for Linux: before 1.3.1.6.

CWE-94Code Injection CWE-347

How to fix

Remediation Available

client connectorNVD

Affected:< 1.3.1.6Fixed in:1.3.1.6CVE-2023-28796derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.18%probability of exploitation in 30 days

8thpercentile

Low risk: more likely to be exploited than 8% of all known CVEs.

References

Release Notes1

help.zscaler.com

Related Vulnerabilities

Other CWE-94 (Code Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-9841	Critical	9.8	100%	KEV	Fix
CVE-2015-1635	Critical	9.8	100%	KEV	-
CVE-2022-22954	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-22204	Medium	6.8	100%	KEV	Fix
CVE-2025-3248	Critical	9.8	100%	KEV	Fix
CVE-2012-0158	High	8.8	100%	KEV	-

Embed a live status badge for CVE-2023-28796

Markdown

[![CVE-2023-28796](https://tridentstack.com/cve/badge/CVE-2023-28796.svg)](https://tridentstack.com/cve/CVE-2023-28796)

HTML

<a href="https://tridentstack.com/cve/CVE-2023-28796"><img src="https://tridentstack.com/cve/badge/CVE-2023-28796.svg" alt="CVE-2023-28796"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.