Vulnerability · Published Oct 23, 2023 · Assigned by Zscaler

CVE-2023-28804Linux ZCC allows unsigned updates, allowing elevated Code Execution

High 8.2

In plain English

A high-severity security flaw in Client Connector from Zscaler. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).

Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.3%top 78.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An Improper Verification of Cryptographic Signature vulnerability in Zscaler Client Connector on Linux allows replacing binaries.This issue affects Linux Client Connector: before 1.4.0.105

Affected products (as reported)

VendorProductVersions
Zscaler Client Connector 0 – before 1.4.0.105

Weakness: CWE-347 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

References