CVE-2021-31839
Incorrect permissions on McAfee Agent for Windows event folder
Improper privilege management vulnerability in McAfee Agent for Windows prior to 5.7.3 allows a local user to modify event information in the MA event folder. This allows a local user to either add false events or remove events from the event logs prior to them being sent to the ePO server.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Incorrect permissions on McAfee Agent for Windows event folder
Improper privilege management vulnerability in McAfee Agent for Windows prior to 5.7.3 allows a local user to modify event information in the MA event folder. This allows a local user to either add false events or remove events from the event logs prior to them being sent to the ePO server.
- Record
CVE-2021-31839- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L - Weakness
- CWE-269
- Updated
- 2026-11-02
EUVDEUVD-2021-18714
Improper privilege management vulnerability in McAfee Agent for Windows prior to 5.7.3 allows a local user to modify event information in the MA event folder. This allows a local user to either add false events or remove events from the event logs prior to them being sent to the ePO server.
- Record
EUVD-2021-18714- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gr8f-frhq-4h8r
Improper privilege management vulnerability in McAfee Agent for Windows prior to 5.7.3 allows a...
Improper privilege management vulnerability in McAfee Agent for Windows prior to 5.7.3 allows a local user to modify event information in the MA event folder. This allows a local user to either add false events or remove events from the event logs prior to them being sent to the ePO server.
- Record
GHSA-gr8f-frhq-4h8r- CVSS 3.1
- 3.3 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-269
- Updated
- 2026-11-02
NVD
Improper privilege management vulnerability in McAfee Agent for Windows prior to 5.7.3 allows a local user to modify event information in the MA event folder. This allows a local user to either add false events or remove events from the event logs prior to them being sent to the ePO server.
- Record
CVE-2021-31839- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L - CVSS 3.1
- 3.3 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-269
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-31839 is a medium vulnerability (CVSS 4.8) in Mcafee Agent, published June 10, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 7th percentile. No source names a fixed version.