CVE-2021-31847
Last modified
CVE-2021-31847 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mcafee | Agent | < 5.7.4 |
References
- https://www.zerodayinitiative.com/advisories/ZDI-21-1104/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-21-1104/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
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