KB5009555: Windows Server 2022 Security Updates (January 2022)

critical Nessus Plugin ID 156620


The Windows Server 2022 installation on the remote host is affected by multiple vulnerabilities.


The Windows Server 2022 installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities:

- A session spoofing vulnerability exists. An attacker can exploit this to perform actions with the privileges of another user. (CVE-2022-21836)

- A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2022-21849, CVE-2022-21850, CVE-2022-21851, CVE-2022-21874, CVE-2022-21888, CVE-2022-21892, CVE-2022-21893, CVE-2022-21907, CVE-2022-21922, CVE-2022-21928, CVE-2022-21958, CVE-2022-21959, CVE-2022-21960, CVE-2022-21961, CVE-2022-21962, CVE-2022-21963)

- A security feature bypass vulnerability exists. An attacker can exploit this and bypass the security feature and perform unauthorized actions compromising the integrity of the system/application.
(CVE-2022-21894, CVE-2022-21900, CVE-2022-21905, CVE-2022-21906, CVE-2022-21913, CVE-2022-21921, CVE-2022-21924, CVE-2022-21925)

- An information disclosure vulnerability. An attacker can exploit this to disclose potentially sensitive information. (CVE-2022-21876, CVE-2022-21877, CVE-2022-21880, CVE-2022-21915)

- An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges.
(CVE-2022-21833, CVE-2022-21834, CVE-2022-21835, CVE-2022-21838, CVE-2022-21852, CVE-2022-21857, CVE-2022-21858, CVE-2022-21861, CVE-2022-21862, CVE-2022-21864, CVE-2022-21866, CVE-2022-21870, CVE-2022-21871, CVE-2022-21872, CVE-2022-21873, CVE-2022-21881, CVE-2022-21882, CVE-2022-21885, CVE-2022-21887, CVE-2022-21896, CVE-2022-21897, CVE-2022-21901, CVE-2022-21902, CVE-2022-21908, CVE-2022-21914, CVE-2022-21916, CVE-2022-21919, CVE-2022-21920)

- A denial of service (DoS) vulnerability. An attacker can exploit this issue to cause the affected component to deny system or application services. (CVE-2022-21843, CVE-2022-21847, CVE-2022-21848, CVE-2022-21883, CVE-2022-21889, CVE-2022-21890, CVE-2022-21918)


Microsoft has released KB5009555 to address this issue.

See Also


Plugin Details

Severity: Critical

ID: 156620

File Name: smb_nt_ms22_jan_5009555.nasl

Version: 1.10

Type: local

Agent: windows

Published: 1/11/2022

Updated: 1/17/2023

Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure

Risk Information


Risk Factor: Critical

Score: 9.7


Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: E:H/RL:OF/RC:C

CVSS Score Source: CVE-2022-21907


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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: 1/11/2022

Vulnerability Publication Date: 1/11/2022

CISA Known Exploited Dates: 2/18/2022, 5/16/2022

Exploitable With

Core Impact

Metasploit (Win32k ConsoleControl Offset Confusion)

Reference Information

CVE: CVE-2021-22947, CVE-2021-36976, CVE-2022-21833, CVE-2022-21834, CVE-2022-21835, CVE-2022-21836, CVE-2022-21838, CVE-2022-21843, CVE-2022-21847, CVE-2022-21848, CVE-2022-21849, CVE-2022-21850, CVE-2022-21851, CVE-2022-21852, CVE-2022-21857, CVE-2022-21858, CVE-2022-21859, CVE-2022-21860, CVE-2022-21861, CVE-2022-21862, CVE-2022-21863, CVE-2022-21864, CVE-2022-21865, CVE-2022-21866, CVE-2022-21867, CVE-2022-21868, CVE-2022-21869, CVE-2022-21870, CVE-2022-21871, CVE-2022-21872, CVE-2022-21873, CVE-2022-21874, CVE-2022-21875, CVE-2022-21876, CVE-2022-21877, CVE-2022-21878, CVE-2022-21879, CVE-2022-21880, CVE-2022-21881, CVE-2022-21882, CVE-2022-21883, CVE-2022-21884, CVE-2022-21885, CVE-2022-21888, CVE-2022-21889, CVE-2022-21890, CVE-2022-21892, CVE-2022-21893, CVE-2022-21894, CVE-2022-21895, CVE-2022-21896, CVE-2022-21897, CVE-2022-21898, CVE-2022-21900, CVE-2022-21901, CVE-2022-21902, CVE-2022-21903, CVE-2022-21904, CVE-2022-21905, CVE-2022-21906, CVE-2022-21907, CVE-2022-21908, CVE-2022-21910, CVE-2022-21913, CVE-2022-21914, CVE-2022-21915, CVE-2022-21916, CVE-2022-21918, CVE-2022-21919, CVE-2022-21920, CVE-2022-21921, CVE-2022-21922, CVE-2022-21924, CVE-2022-21925, CVE-2022-21928, CVE-2022-21958, CVE-2022-21959, CVE-2022-21960, CVE-2022-21961, CVE-2022-21962, CVE-2022-21963

MSKB: 5009555

MSFT: MS22-5009555

IAVA: 2022-A-0012-S, 2022-A-0016-S

CEA-ID: CEA-2022-0001