CVE-2021-23878 json
Clear text storage of sensitive Information in ENS
published 2021-02-10 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-10804
- cvss
- 7.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 50%
- public exploits
- 0
- none known
Summary
Clear text storage of sensitive Information in memory vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2021 Update allows a local user to view ENS settings and credentials via accessing process memory after the ENS administrator has performed specific actions. To exploit this, the local user has to access the relevant memory location immediately after an ENS administrator has made a configuration change through the console on their machine
Patch / fix
- McAfee LLC Endpoint Security (ENS) for Windows 10.7.0 February 2021
Exploit prediction
0.62% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 5.0 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
Affected products
- McAfee LLC Endpoint Security (ENS) for Windows
Classification
- Weakness
-
- CWE-312 Cleartext Storage of Sensitive Information
References
Sources
- CVE List CVE-2021-23878
- NVD CVE-2021-23878
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