CVE-2023-28241 Explained : Impact and Mitigation
Learn about CVE-2023-28241, a high-impact Denial of Service Vulnerability in Windows Secure Socket Tunneling Protocol (SSTP) affecting multiple Microsoft Windows versions. Take immediate steps to mitigate this risk.
This CVE record pertains to a Denial of Service Vulnerability in the Windows Secure Socket Tunneling Protocol (SSTP) affecting multiple Microsoft Windows versions.
Understanding CVE-2023-28241
This vulnerability allows an attacker to conduct a Denial of Service attack, potentially disrupting the normal functioning of affected systems.
What is CVE-2023-28241?
CVE-2023-28241 is a Denial of Service Vulnerability in the Windows Secure Socket Tunneling Protocol (SSTP) in various versions of Microsoft Windows.
The Impact of CVE-2023-28241
The impact of this vulnerability is rated as HIGH with a CVSS v3.1 base score of 7.5. It poses a risk of denial of service on affected systems.
Technical Details of CVE-2023-28241
This vulnerability affects several Microsoft Windows versions, including but not limited to:
- Windows 10 Version 1809
- Windows Server 2019
- Windows Server 2022
- Windows 10 Version 20H2
- Windows 11 version 21H2
- Windows 10 Version 21H2
- Windows 11 version 22H2
- Windows 10 Version 22H2
- Windows 10 Version 1507
- Windows 10 Version 1607
- Windows Server 2016
- Windows Server 2008 Service Pack 2
- Windows Server 2008 R2 Service Pack 1
- Windows Server 2012
- Windows Server 2012 R2
Vulnerability Description
The vulnerability lies in the SSTP of the affected Windows versions, allowing malicious actors to launch a Denial of Service attack.
Affected Systems and Versions
Multiple Windows versions and editions are impacted by this vulnerability as listed above.
Exploitation Mechanism
The vulnerability can be exploited by sending specially crafted requests to the SSTP component, leading to a denial of service condition.
Mitigation and Prevention
Users and administrators are advised to take the following actions to mitigate the risk posed by CVE-2023-28241:
Immediate Steps to Take
- Apply security patches provided by Microsoft to address the vulnerability.
- Monitor network traffic for any suspicious activity targeting the affected systems.
Long-Term Security Practices
- Regularly update software and systems to ensure they are protected against known vulnerabilities.
- Implement network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
Stay updated with security advisories from Microsoft and promptly apply recommended patches to secure the systems against CVE-2023-28241.