KB5007255: Windows Server 2012 R2 Security Update (November 2021)
high Nessus Plugin ID 154996
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Synopsis
The remote Windows host is affected by multiple vulnerabilities.Description
The remote Windows host is missing security update 5007255 or cumulative update 5007247. It is, therefore, affected by multiple vulnerabilities:- A denial of service (DoS) vulnerability. An attacker can exploit this issue to cause the affected component to deny system or application services. (CVE-2021-42284)
- An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges.
(CVE-2021-41366, CVE-2021-41367, CVE-2021-41370, CVE-2021-41377, CVE-2021-41379, CVE-2021-42278, CVE-2021-42282, CVE-2021-42283, CVE-2021-42285, CVE-2021-42287, CVE-2021-42291)
- An information disclosure vulnerability. An attacker can exploit this to disclose potentially sensitive information. (CVE-2021-38631, CVE-2021-38665, CVE-2021-41371)
- A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2021-38666, CVE-2021-42275)
Solution
Apply Security Only update KB5007255 or Cumulative Update 5007247.See Also
Plugin Details
Severity: High
ID: 154996
File Name: smb_nt_ms21_nov_5007255.nasl
Version: 1.11
Type: local
Agent: windows
Family: Windows : Microsoft Bulletins
Published: 11/9/2021
Updated: 5/9/2022
Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure
Risk Information
CVSS Score Source: CVE-2021-42285
VPR
Risk Factor: Critical
Score: 9.7
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 6.3
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Temporal Vector: E:H/RL:OF/RC:C
CVSS v3
Risk Factor: High
Base Score: 8.8
Temporal Score: 8.4
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: E:H/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:microsoft:windows
Required KB Items: SMB/MS_Bulletin_Checks/Possible
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 11/9/2021
Vulnerability Publication Date: 11/9/2021
CISA Known Exploited Dates: 3/17/2022, 5/2/2022
Reference Information
CVE: CVE-2021-38631, CVE-2021-38665, CVE-2021-38666, CVE-2021-41366, CVE-2021-41367, CVE-2021-41370, CVE-2021-41371, CVE-2021-41377, CVE-2021-41379, CVE-2021-42275, CVE-2021-42278, CVE-2021-42282, CVE-2021-42283, CVE-2021-42284, CVE-2021-42285, CVE-2021-42287, CVE-2021-42291