CVE-2021-33605 : What You Need to Know
Discover the impact of CVE-2021-33605, a medium-level vulnerability affecting Vaadin versions 12-14 and 15-20. Learn about the exploitation mechanism and mitigation strategies.
This article provides detailed insights into CVE-2021-33605, a security vulnerability impacting Vaadin versions 12-14 and 15-20.
Understanding CVE-2021-33605
This section delves into the nature and implications of the CVE-2021-33605 vulnerability.
What is CVE-2021-33605?
The CVE-2021-33605 vulnerability is characterized by an improper check in the CheckboxGroup component of Vaadin, allowing attackers to modify the value of a disabled Checkbox within an enabled CheckboxGroup component through unspecified vectors.
The Impact of CVE-2021-33605
The vulnerability poses a medium-level threat with a CVSS base score of 4.3. It has a low attack complexity, requires low privileges, and has a low integrity impact. The attack vector is through a network with no user interaction required.
Technical Details of CVE-2021-33605
This section provides a detailed overview of the technical aspects of CVE-2021-33605.
Vulnerability Description
The vulnerability arises from an improper check in the CheckboxGroup component, allowing unauthorized modification of Checkbox values within Vaadin versions 12-14 and 15-20.
Affected Systems and Versions
The affected versions include Vaadin versions 12.0.0 to 20.0.5 and vaadin-checkbox-flow versions 1.2.0 to 4.0.1.
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating the value of a disabled Checkbox inside an enabled CheckboxGroup component.
Mitigation and Prevention
This section outlines mitigation strategies and preventive measures for CVE-2021-33605.
Immediate Steps to Take
Users are advised to update Vaadin and vaadin-checkbox-flow to the latest non-vulnerable versions immediately after the patches are released.
Long-Term Security Practices
Incorporating secure coding practices, regular security audits, and keeping software updated can help prevent similar vulnerabilities in the long term.
Patching and Updates
Staying informed about security updates from Vaadin and promptly applying patches can effectively mitigate the risk of CVE-2021-33605.