CVE-2021-3663 : Security Advisory and Response
Learn about CVE-2021-3663, an improper authentication attempts vulnerability in firefly-iii/firefly-iii container. Impact, affected versions, and mitigation steps included.
A deep dive into the vulnerability 'Improper Restriction of Excessive Authentication Attempts' in the firefly-iii/firefly-iii container.
Understanding CVE-2021-3663
CVE-2021-3663 is related to a vulnerability in the firefly-iii/firefly-iii container due to improper restriction of excessive authentication attempts.
What is CVE-2021-3663?
The CVE-2021-3663 vulnerability in firefly-iii/firefly-iii involves an improper restriction of excessive authentication attempts, potentially leading to security breaches.
The Impact of CVE-2021-3663
The impact of this vulnerability is rated as medium severity, with a CVSS base score of 5.3. Attack complexity is low, and it requires local access, making it essential to address promptly.
Technical Details of CVE-2021-3663
Understanding the specifics of the CVE-2021-3663 vulnerability in firefly-iii/firefly-iii.
Vulnerability Description
The vulnerability arises from the improper handling of excessive authentication attempts, opening doors for potential exploitation and unauthorized access.
Affected Systems and Versions
The firefly-iii/firefly-iii container versions less than or equal to 5.5.12 are affected by this vulnerability, requiring immediate attention.
Exploitation Mechanism
Attack vectors for this vulnerability are local, with low complexity, and low privileges required, making it accessible to attackers without extensive capabilities.
Mitigation and Prevention
Guidelines to mitigate the CVE-2021-3663 vulnerability in firefly-iii/firefly-iii.
Immediate Steps to Take
Immediately update the container to a non-vulnerable version, implement strong authentication controls, and monitor for any suspicious activities.
Long-Term Security Practices
Regularly review and update authentication mechanisms, conduct security audits, and educate users on secure practices to prevent similar vulnerabilities.
Patching and Updates
Stay informed about security updates from firefly-iii and promptly apply patches to address known vulnerabilities.