SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-30359

The Harmony Browse and the SandBlast Agent for Browsers installers must have admin privileges to execute some steps during the installation.

HIGH 7.8EPSS 3.93%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.93%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

The Harmony Browse and the SandBlast Agent for Browsers installers must have admin privileges to execute some steps during the installation. Because the MS Installer allows regular users to repair their installation, an attacker running an installer before 90.08.7405 can start the installation repair and place a specially crafted binary in the repair folder, which runs with the admin 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
3.93% probability · 90th percentile
CISA KEV
Not listed
Weakness
CWE-427
Affected
checkpoint/harmony browse · checkpoint/sandblast agent for browsers
Source
cve@checkpoint.com

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