What is CVE-2023-21690?

CVE-2023-21690 is a security advisory published by Microsoft Security Response Center (MSRC) with Critical severity. Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability

Which CVE IDs does CVE-2023-21690 cover?

CVE-2023-21690 covers the following CVE IDs: CVE-2023-21690. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2023-21690?

CVE-2023-21690 has a CVSS v3 base score of 9.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2023-21690?

CVE-2023-21690 affects 31 products, including: Windows 10 Version 1607 for 32-bit Systems; Windows 10 Version 1607 for x64-based Systems; Windows 10 Version 1809 for 32-bit Systems; Windows 10 Version 1809 for ARM64-based Systems; Windows 10 Version 1809 for x64-based Systems; and others — see the full list on the advisory page.

CVE-2023-21690CriticalCVSS 9.8

Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

February 14, 2023

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2023-21690 →

📋 Description

How could an attacker exploit this vulnerability? An unauthenticated attacker could attack a Microsoft Protected Extensible Authentication Protocol (PEAP) Server by sending specially crafted malicious PEAP packets over the network.

🎯 Affected products31

Windows 10 Version 1607 for 32-bit Systems
Windows 10 Version 1607 for x64-based Systems
Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for ARM64-based Systems
Windows 10 Version 1809 for x64-based Systems
Windows 10 Version 20H2 for 32-bit Systems
Windows 10 Version 20H2 for ARM64-based Systems
Windows 10 Version 21H2 for 32-bit Systems
Windows 10 Version 21H2 for ARM64-based Systems
Windows 10 Version 21H2 for x64-based Systems
Windows 10 Version 22H2 for 32-bit Systems
Windows 10 Version 22H2 for ARM64-based Systems
Windows 10 Version 22H2 for x64-based Systems
Windows 10 for 32-bit Systems
Windows 10 for x64-based Systems
Windows 11 Version 22H2 for ARM64-based Systems
Windows 11 Version 22H2 for x64-based Systems
Windows 11 version 21H2 for ARM64-based Systems
Windows 11 version 21H2 for x64-based Systems
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Server 2012
Windows Server 2012 (Server Core installation)
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)
Windows Server 2016
Windows Server 2016 (Server Core installation)
Windows Server 2019
Windows Server 2019 (Server Core installation)
Windows Server 2022
+1 more not shown

✅ Remediation

KB5022840 (Security Update) — fixed build 10.0.17763.4010 KB5022842 (Security Update) — fixed build 10.0.20348.1547 KB5022921 (Security Hotpatch Update) — fixed build 10.0.20348.1540 KB5022834 (Security Update) — fixed build 10.0.19042.2604 KB5022836 (Security Update) — fixed build 10.0.22621.1574 KB5022834 (Security Update) — fixed build 10.0.19044.2604 KB5022845 (Security Update) — fixed build 10.0.22621.1265 KB5022834 (Security Update) — fixed build 10.0.19045.2604 KB5022858 (Security Update) — fixed build 10.0.10240.19747 KB5022838 (Security Update) — fixed build 10.0.14393.5717 KB5022872 (Monthly Rollup) — fixed build 6.1.7601.26366 KB5022874 (Security Only) — fixed build 6.1.7601.26366 KB5022903 (Monthly Rollup) — fixed build 6.2.9200.24116 KB5022895 (Security Only) — fixed build 6.2.9200.24116 KB5022899 (Monthly Rollup) — fixed build 6.3.9600.20821 KB5022894 (Security Only) — fixed build 6.3.9600.20821

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products31

✅ Remediation

🔗 References (28)