SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-26736

Multiple vulnerabilities in the Zscaler Client Connector Installer and Uninstaller for Windows prior to 3.6 allowed execution of binaries from a low privileged path.

HIGH 7.8EPSS 0.22%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Multiple vulnerabilities in the Zscaler Client Connector Installer and Uninstaller for Windows prior to 3.6 allowed execution of binaries from a low privileged path. A local adversary may be able to execute code with SYSTEM privileges.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.22% probability · 13th percentile
CISA KEV
Not listed
Weakness
CWE-20, CWE-22
Affected
zscaler/client connector
Source
cve@zscaler.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.