CVE-2021-31847
McAfee Agent for Windows DLL Preloading Privilege Escalation Vulnerability
Description
Improper access control vulnerability in the repair process for McAfee Agent for Windows prior to 5.7.4 could allow a local attacker to perform a DLL preloading attack using unsigned DLLs. This would result in elevation of privileges and the ability to execute arbitrary code as the system user, through not correctly protecting a temporary directory used in the repair process and not checking the DLL signature.
INFO
Published Date :
Sept. 22, 2021, 2:15 p.m.
Last Modified :
Nov. 15, 2023, 8:42 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
6.0
Exploitability Score :
1.5
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-31847.
| URL | Resource |
|---|---|
| https://kc.mcafee.com/corporate/index?page=content&id=SB10369 | Broken Link |
| https://www.zerodayinitiative.com/advisories/ZDI-21-1104/ | Third Party Advisory VDB Entry |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-31847 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-31847 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Nov. 15, 2023
Action Type Old Value New Value Changed Reference Type https://kc.mcafee.com/corporate/index?page=content&id=SB10369 No Types Assigned https://kc.mcafee.com/corporate/index?page=content&id=SB10369 Broken Link Changed Reference Type https://www.zerodayinitiative.com/advisories/ZDI-21-1104/ No Types Assigned https://www.zerodayinitiative.com/advisories/ZDI-21-1104/ Third Party Advisory, VDB Entry Added CWE NIST CWE-427 Changed CPE Configuration OR *cpe:2.3:a:mcafee:mcafee_agent:*:*:*:*:*:windows:*:* versions up to (excluding) 5.7.4 OR *cpe:2.3:a:mcafee:agent:*:*:*:*:*:windows:*:* versions up to (excluding) 5.7.4 -
CVE Source Update by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Changed Source McAfee (DEFUNCT) Trellix -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Trellix https://kc.mcafee.com/corporate/index?page=content&id=SB10369 [No types assigned] Added Reference Trellix https://www.zerodayinitiative.com/advisories/ZDI-21-1104/ [No types assigned] Removed Reference McAfee (DEFUNCT) https://kc.mcafee.com/corporate/index?page=content&id=SB10369 Removed Reference McAfee (DEFUNCT) https://www.zerodayinitiative.com/advisories/ZDI-21-1104/ Added CWE Trellix CWE-269 Added CWE Trellix CWE-347 Removed CWE McAfee (DEFUNCT) CWE-347 Removed CWE McAfee (DEFUNCT) CWE-269 Removed CVSS V3.1 McAfee (DEFUNCT) AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H Added CVSS V3.1 Trellix AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H -
Initial Analysis by [email protected]
Sep. 29, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:L/AC:M/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://kc.mcafee.com/corporate/index?page=content&id=SB10369 No Types Assigned https://kc.mcafee.com/corporate/index?page=content&id=SB10369 Patch, Vendor Advisory Changed Reference Type https://www.zerodayinitiative.com/advisories/ZDI-21-1104/ No Types Assigned https://www.zerodayinitiative.com/advisories/ZDI-21-1104/ Third Party Advisory, VDB Entry Added CPE Configuration OR *cpe:2.3:a:mcafee:mcafee_agent:*:*:*:*:*:windows:*:* versions up to (excluding) 5.7.4 -
CVE Modified by [email protected]
Sep. 22, 2021
Action Type Old Value New Value Added Reference https://www.zerodayinitiative.com/advisories/ZDI-21-1104/ [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-31847 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-31847
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.08 }} -0.01%
score
0.34659
percentile