CVE-2021-23882 json
Improper Access Control in the ENS installer
published 2021-02-10 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-10808
- cvss
- 8.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 21%
- public exploits
- 0
- none known
Summary
Improper Access Control vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2021 Update allows local administrators to prevent the installation of some ENS files by placing carefully crafted files where ENS will be installed. This is only applicable to clean installations of ENS as the Access Control rules will prevent modification prior to up an upgrade.
Patch / fix
- McAfee LLC Endpoint Security (ENS) for Windows 10.7.0 February 2021
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.2 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
| NVD | 3.1 | 4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 1.9 | AV:L/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- McAfee LLC Endpoint Security (ENS) for Windows
Classification
- Weakness
-
- CWE-269 Improper Privilege Management
References
-
kc.mcafee.com
/corporate/index?page=content&id=SB10345
broken-link, vendor-advisory
Sources
- CVE List CVE-2021-23882
- NVD CVE-2021-23882
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