Vulnerability · Published Feb 10, 2021 · Assigned by trellix

CVE-2021-23882Improper Access Control in the ENS installer

High 8.2

In plain English

A high-severity privilege mismanagement in Endpoint Security (ENS) for Windows from McAfee LLC. 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 22% of all known vulnerabilities).

Severity (CVSS 3.1)8.2High

Exploit odds (30 days)0.3%top 78.1% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Improper Access Control vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2021 Update allows local administrators to prevent the installation of some ENS files by placing carefully crafted files where ENS will be installed. This is only applicable to clean installations of ENS as the Access Control rules will prevent modification prior to up an upgrade.

Affected products (as reported)

Vendor	Product	Versions
McAfee LLC	Endpoint Security (ENS) for Windows	10.7.x – before 10.7.0 February 2021

Weakness: CWE-269 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10345 x_refsource_CONFIRM