CVE-2021-1648 : Security Advisory and Response
Learn about CVE-2021-1648 affecting Windows and Windows Server systems. Understand the impact, technical details, and mitigation steps for Microsoft splwow64 Elevation of Privilege Vulnerability.
Microsoft splwow64 Elevation of Privilege Vulnerability was published on January 12, 2021. It affects multiple versions of Windows and Windows Server systems.
Understanding CVE-2021-1648
This CVE, assigned to Microsoft, highlights an elevation of privilege vulnerability known as splwow64 impacting various Microsoft operating systems.
What is CVE-2021-1648?
The vulnerability 'splwow64 Elevation of Privilege' exposes a security flaw in the affected Microsoft systems, enabling threat actors to gain elevated access privileges.
The Impact of CVE-2021-1648
The impact of this vulnerability is categorized as 'HIGH' according to CVSS v3.1, with a base score of 7.8. If exploited, attackers could achieve information disclosure.
Technical Details of CVE-2021-1648
This section delves into specific technical aspects of the CVE, shedding light on the vulnerability, affected systems, and exploitation mechanisms.
Vulnerability Description
The vulnerability allows unauthorized individuals to elevate their privileges, potentially leading to unauthorized access and data disclosure.
Affected Systems and Versions
Multiple Microsoft Windows and Windows Server versions, including Windows 10, Windows Server 2019, and others, are impacted by this vulnerability.
Exploitation Mechanism
The exploit leverages the splwow64 process to escalate privileges, compromising system security and integrity.
Mitigation and Prevention
To safeguard systems against CVE-2021-1648, immediate actions, long-term security practices, and timely patching are recommended.
Immediate Steps to Take
Security teams should apply the necessary patches promptly, implement principle of least privilege, and monitor system access diligently.
Long-Term Security Practices
Regular security updates, ongoing vulnerability assessments, and user training on best security practices are essential for long-term security.
Patching and Updates
Microsoft has released security updates to address this vulnerability. Organizations should ensure these patches are applied promptly to mitigate the risk of exploitation.