CVE-2021-3993 : Security Advisory and Response
Learn about CVE-2021-3993, a medium-severity Cross-Site Request Forgery (CSRF) vulnerability in star7th/showdoc that could allow unauthorized actions. Find out the impact, affected systems, exploitation, and mitigation steps.
Cross-Site Request Forgery (CSRF) vulnerability in star7th/showdoc is a medium-severity issue that could allow attackers to perform unauthorized actions on behalf of a user.
Understanding CVE-2021-3993
This CVE identifies a CSRF vulnerability in star7th/showdoc that could be exploited by attackers for malicious purposes.
What is CVE-2021-3993?
CVE-2021-3993 is a Cross-Site Request Forgery (CSRF) vulnerability in star7th/showdoc, allowing attackers to trick users into executing unintended actions on a web application where they are authenticated.
The Impact of CVE-2021-3993
The impact of this vulnerability is considered medium, with a CVSS base score of 4.3. Attackers can exploit this vulnerability to perform various unauthorized actions, potentially compromising the integrity and availability of the affected system.
Technical Details of CVE-2021-3993
This section covers specific technical details related to the CVE-2021-3993 vulnerability.
Vulnerability Description
The vulnerability in star7th/showdoc allows for Cross-Site Request Forgery (CSRF) attacks, which can lead to unauthorized user actions within the application.
Affected Systems and Versions
The vulnerability affects all versions of star7th/showdoc up to and including v2.9.13.
Exploitation Mechanism
Attackers can exploit this vulnerability by enticing authenticated users into clicking on specially crafted malicious links or buttons, leading to unintended actions in the web application.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-3993, it is essential to take immediate and proactive security measures.
Immediate Steps to Take
Users are advised to update star7th/showdoc to version v2.9.13 or later to address the CSRF vulnerability and prevent potential exploitation.
Long-Term Security Practices
Implementing proper input validation mechanisms, employing anti-CSRF tokens, and conducting regular security assessments can help in enhancing the overall security posture of web applications.
Patching and Updates
Stay vigilant for security updates released by star7th and promptly apply patches to ensure that known vulnerabilities are remediated.