Vulnerability Details : CVE-2021-23883
A Null Pointer Dereference vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2021 Update allows a local administrator to cause Windows to crash via a specific system call which is not handled correctly. This varies by machine and had partial protection prior to this update.
Vulnerability category: Memory Corruption
Products affected by CVE-2021-23883
- cpe:2.3:a:mcafee:endpoint_security:*:*:*:*:*:windows:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-23883
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 20 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-23883
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
3.9
|
6.9
|
NIST | |
|
4.4
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
0.8
|
3.6
|
NIST | |
|
4.0
|
MEDIUM | CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H |
0.3
|
3.6
|
McAfee (DEFUNCT) | |
|
4.0
|
MEDIUM | CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H |
0.3
|
3.6
|
Trellix |
CWE ids for CVE-2021-23883
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by:
- nvd@nist.gov (Primary)
- psirt@mcafee.com (Primary)
- trellixpsirt@trellix.com (Secondary)
References for CVE-2021-23883
-
https://kc.mcafee.com/corporate/index?page=content&id=SB10345
McAfee Security Bulletin - Endpoint Security for Windows update fixes five vulnerabilities (CVE-2021-23878, CVE-2021-23880, CVE-2021-23881, CVE-2021-23882, CVE-2021-23883)Broken Link
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