Vulnerability Details : CVE-2021-31840
A vulnerability in the preloading mechanism of specific dynamic link libraries in McAfee Agent for Windows prior to 5.7.3 could allow an authenticated, local attacker to perform a DLL preloading attack with unsigned DLLs. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system. This would result in the user gaining elevated permissions and being able to execute arbitrary code.
Vulnerability category: Execute code
Products affected by CVE-2021-31840
- cpe:2.3:a:mcafee:mcafee_agent:*:*:*:*:*:windows:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-31840
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-31840
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.4
|
MEDIUM | AV:L/AC:M/Au:N/C:P/I:P/A:P |
3.4
|
6.4
|
NIST | |
7.3
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
1.3
|
5.9
|
NIST | |
7.3
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
1.3
|
5.9
|
McAfee (DEFUNCT) |
CWE ids for CVE-2021-31840
-
The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors.Assigned by:
- nvd@nist.gov (Primary)
- psirt@mcafee.com (Secondary)
References for CVE-2021-31840
-
https://kc.mcafee.com/corporate/index?page=content&id=SB10362
Security Bulletin - McAfee Agent for Windows update fixes two vulnerabilities (CVE-2021-31839 and CVE-2021-31840)Vendor Advisory
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