Vulnerability · Published Sep 22, 2021 · Assigned by trellix

CVE-2021-31841DLL side loading vulnerability in MA for Windows

High 8.2

In plain English

A high-severity security flaw in McAfee Agent 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 0.2% (higher than 15% of all known vulnerabilities).

Severity (CVSS 3.1)8.2High

Exploit odds (30 days)0.2%top 84.6% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A DLL sideloading vulnerability in McAfee Agent for Windows prior to 5.7.4 could allow a local user to perform a DLL sideloading attack with an unsigned DLL with a specific name and in a specific location. This would result in the user gaining elevated permissions and the ability to execute arbitrary code as the system user, through not checking the DLL signature.

Affected products (as reported)

Vendor	Product	Versions
McAfee,LLC	McAfee Agent for Windows	unspecified – before 5.7.4

Weakness: CWE-426, CWE-347 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10369 x_refsource_CONFIRM