CVE-2023-21690: Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability
Published Feb 14, 2023
·Updated
Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability
Affected Software
60 affected componentsFixes available
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2012
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Microsoft Windows 11=22H2
Microsoft Windows 11=22H2
Microsoft Windows 11=21H2
Microsoft Windows 11=21H2
Microsoft Windows Server 2022
Microsoft Windows Server 2022
Microsoft Windows 10 1507<10.0.10240.19747
Microsoft Windows 10 1507<10.0.10240.19747
Microsoft Windows 10 1607<10.0.14393.5717
Microsoft Windows 10 1607<10.0.14393.5717
Microsoft Windows 10 1809<10.0.17763.4010
Microsoft Windows 10 1809<10.0.17763.4010
Microsoft Windows 10 1809<10.0.17763.4010
Microsoft Windows 10 20h2<10.0.19042.2604
Microsoft Windows 10 20h2<10.0.19042.2604
Microsoft Windows 10 20h2<10.0.19042.2604
Microsoft Windows 10 21h2<10.0.19044.2604
Microsoft Windows 10 21h2<10.0.19044.2604
Microsoft Windows 10 21h2<10.0.19044.2604
Microsoft Windows 10 22h2<10.0.19045.2604
Microsoft Windows 10 22h2<10.0.19045.2604
Microsoft Windows 10 22h2<10.0.19045.2604
Microsoft Windows 11 21h2<10.0.22000.1574
Microsoft Windows 11 21h2<10.0.22000.1574
Microsoft Windows 11 22h2<10.0.22621.1265
Microsoft Windows 11 22h2<10.0.22621.1265
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Microsoft Windows Server 2016
Microsoft Windows Server 2016
Microsoft Windows 10=20H2
Microsoft Windows 10=20H2
Microsoft Windows 10=20H2
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10=22H2
Microsoft Windows 10=22H2
Microsoft Windows 10=22H2
Microsoft Windows 10=1607
Microsoft Windows 10=1607
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2008 R2
Remediation
Event History
Feb 14, 2023
CVE Published
via Microsoft·08:00 AM
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:00 AM
Affected Software
Updated
via Microsoft·08:00 AM
Description
CVE Published
via MITRE·07:33 PM
Data Sourced
via MITRE·07:33 PM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2023-21690?
The severity of CVE-2023-21690 is rated as critical due to its potential for remote code execution.
2
How do I fix CVE-2023-21690?
To fix CVE-2023-21690, apply the latest security patches provided by Microsoft for your affected version of Windows.
3
Which versions of Windows are affected by CVE-2023-21690?
CVE-2023-21690 affects various versions of Windows 10, Windows 11, and Windows Server including specific builds and architectures.
4
What exploitation methods are possible for CVE-2023-21690?
CVE-2023-21690 can be exploited remotely without user interaction, allowing attackers to execute arbitrary code on the system.
5
Are there any mitigations for CVE-2023-21690?
While the primary defense against CVE-2023-21690 is applying patches, additional network-level protections can help mitigate potential exploits.