Active Directory Domain Services Elevation of Privilege Vulnerability
Published 2021-11-10 01:19:46
Updated 2023-12-28 16:15:57
View at NVD,   CVE.org
Vulnerability category: Gain privilege

CVE-2021-42287 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
Microsoft Active Directory Domain Services Privilege Escalation Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Microsoft Active Directory Domain Services contains an unspecified vulnerability that allows for privilege escalation.
Added on 2022-04-11 Action due date 2022-05-02

Exploit prediction scoring system (EPSS) score for CVE-2021-42287

Probability of exploitation activity in the next 30 days: 90.76%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 99 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-42287

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
6.5
MEDIUM AV:N/AC:L/Au:S/C:P/I:P/A:P
8.0
6.4
nvd@nist.gov
8.8
HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.8
5.9
nvd@nist.gov
7.5
HIGH CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
1.6
5.9
secure@microsoft.com

CWE ids for CVE-2021-42287

  • The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-42287

Products affected by CVE-2021-42287

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