Vulnerability Details : CVE-2021-31854
A command Injection Vulnerability in McAfee Agent (MA) for Windows prior to 5.7.5 allows local users to inject arbitrary shell code into the file cleanup.exe. The malicious clean.exe file is placed into the relevant folder and executed by running the McAfee Agent deployment feature located in the System Tree. An attacker may exploit the vulnerability to obtain a reverse shell which can lead to privilege escalation to obtain root privileges.
Vulnerability category: Gain privilege
Products affected by CVE-2021-31854
- cpe:2.3:a:mcafee:agent:*:*:*:*:*:windows:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-31854
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 22 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-31854
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.3
|
HIGH | AV:N/AC:M/Au:N/C:C/I:C/A:C |
8.6
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST | |
|
7.7
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H |
1.1
|
6.0
|
McAfee (DEFUNCT) |
CWE ids for CVE-2021-31854
-
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.Assigned by:
- nvd@nist.gov (Secondary)
- psirt@mcafee.com (Primary)
References for CVE-2021-31854
-
https://kc.mcafee.com/corporate/index?page=content&id=SB10378
Security Bulletin - McAfee Agent update fixes two vulnerabilities (CVE-2021-31854, CVE-2022-0166)Vendor Advisory
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