SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-3654

Authentication Bypass vulnerability in the Microsoft Windows client in McAfee Client Proxy (MCP) prior to 3.0.0 allows local user to bypass scanning of web traffic and gain access to blocked sites for a short period of time via generating an…

HIGH 8.6EPSS 0.66%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.66%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Authentication Bypass vulnerability in the Microsoft Windows client in McAfee Client Proxy (MCP) prior to 3.0.0 allows local user to bypass scanning of web traffic and gain access to blocked sites for a short period of time via generating an authorization key on the client which should only be generated by the network administrator.

CVSS 3.1
8.6 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS
0.66% probability · 50th percentile
CISA KEV
Not listed
Weakness
CWE-287
Affected
mcafee/client proxy
Source
trellixpsirt@trellix.com

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