Detections
Analytics
KB5005106: Windows 8.1 and Windows Server 2012 R2 Security Update (August 2021)
critical Nessus Plugin ID 152433
Language:
Synopsis
The remote Windows host is affected by multiple vulnerabilities.Description
The remote Windows host is missing security update 5005106 or cumulative update 5005076. It is, therefore, affected by multiple vulnerabilities :- An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges.
(CVE-2021-26425, CVE-2021-26426, CVE-2021-34483, CVE-2021-34484, CVE-2021-34537, CVE-2021-36927)
- A session spoofing vulnerability exists. An attacker can exploit this to perform actions with the privileges of another user. (CVE-2021-36942)
- A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2021-26424, CVE-2021-26432, CVE-2021-34533, CVE-2021-34535, CVE-2021-36936, CVE-2021-36937, CVE-2021-36947)
- An information disclosure vulnerability. An attacker can exploit this to disclose potentially sensitive information. (CVE-2021-26433, CVE-2021-36926, CVE-2021-36932, CVE-2021-36933)
- An memory corruption vulnerability exists. An attacker can exploit this to corrupt the memory and cause unexpected behaviors within the system/application.
(CVE-2021-34480)
Solution
Apply Security Only update KB5005106 or Cumulative Update KB5005076.See Also
http://www.nessus.org/u?0fe73cef
Plugin Details
Severity: Critical
ID: 152433
File Name: smb_nt_ms21_aug_5005106.nasl
Version: 1.12
Type: local
Agent: windows
Family: Windows : Microsoft Bulletins
Published: 8/10/2021
Updated: 6/17/2024
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Critical
Score: 9.4
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2021-36936
CVSS v3
Risk Factor: Critical
Base Score: 9.9
Temporal Score: 9.5
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C
CVSS Score Source: CVE-2021-26424
Vulnerability Information
CPE: cpe:/o:microsoft:windows_8, cpe:/o:microsoft:windows_server_2012:r2
Required KB Items: SMB/MS_Bulletin_Checks/Possible
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 8/10/2021
Vulnerability Publication Date: 8/10/2021
CISA Known Exploited Vulnerability Due Dates: 11/17/2021, 4/21/2022
Reference Information
CVE: CVE-2021-26424, CVE-2021-26425, CVE-2021-26426, CVE-2021-26432, CVE-2021-26433, CVE-2021-34480, CVE-2021-34481, CVE-2021-34483, CVE-2021-34484, CVE-2021-34533, CVE-2021-34535, CVE-2021-34537, CVE-2021-36926, CVE-2021-36927, CVE-2021-36932, CVE-2021-36933, CVE-2021-36936, CVE-2021-36937, CVE-2021-36942, CVE-2021-36947