SB2021110914 - Multiple vulnerabilities in Microsoft Active Directory Domain Services
Published: November 9, 2021 Updated: September 18, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-42282)
The vulnerability allows a remote authenticated attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in Active Directory Domain Services, which leads to security restrictions bypass and privilege escalation.
2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-42278)
The vulnerability allows a remote authenticated attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in Active Directory Domain Services, which leads to security restrictions bypass and privilege escalation.
3) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-42291)
The vulnerability allows a remote authenticated attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in Active Directory Domain Services, which leads to security restrictions bypass and privilege escalation.
4) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-42287)
The vulnerability allows a remote authenticated attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in Active Directory Domain Services, which leads to security restrictions bypass and privilege escalation.
Remediation
Install update from vendor's website.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42282
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42278
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42291
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42287