KB5022893: Windows Server 2008 Security Update (February 2023)

critical Nessus Plugin ID 171451


The remote Windows host is affected by multiple vulnerabilities.


The remote Windows host is missing security update 5022893. It is, therefore, affected by multiple vulnerabilities

- Windows iSCSI Discovery Service Remote Code Execution Vulnerability (CVE-2023-21803)

- Microsoft PostScript Printer Driver Remote Code Execution Vulnerability (CVE-2023-21684, CVE-2023-21801)

- Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability (CVE-2023-21689)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.


Apply Security Update 5022893 or Cumulative Update 5022890

See Also



Plugin Details

Severity: Critical

ID: 171451

File Name: smb_nt_ms23_feb_5022893.nasl

Version: 1.5

Type: local

Agent: windows

Published: 2/14/2023

Updated: 1/26/2024

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

Risk Information


Risk Factor: High

Score: 8.9


Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2023-21803


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: CVSS:3.0/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: 2/14/2023

Vulnerability Publication Date: 2/14/2023

CISA Known Exploited Vulnerability Due Dates: 3/7/2023

Reference Information

CVE: CVE-2023-21684, CVE-2023-21685, CVE-2023-21686, CVE-2023-21688, CVE-2023-21691, CVE-2023-21692, CVE-2023-21693, CVE-2023-21694, CVE-2023-21695, CVE-2023-21697, CVE-2023-21699, CVE-2023-21700, CVE-2023-21701, CVE-2023-21702, CVE-2023-21797, CVE-2023-21798, CVE-2023-21799, CVE-2023-21800, CVE-2023-21801, CVE-2023-21802, CVE-2023-21803, CVE-2023-21805, CVE-2023-21811, CVE-2023-21812, CVE-2023-21813, CVE-2023-21816, CVE-2023-21817, CVE-2023-21818, CVE-2023-21820, CVE-2023-21822, CVE-2023-21823, CVE-2023-23376

IAVA: 2023-A-0083-S, 2023-A-0090-S

MSFT: MS23-5022890, MS23-5022893

MSKB: 5022890, 5022893