CVE-2020-13121 Explained : Impact and Mitigation
Learn about CVE-2020-13121, an open redirect vulnerability in Submitty through 20.04.01. Find out the impact, affected systems, exploitation method, and mitigation steps.
Submitty through 20.04.01 has an open redirect vulnerability via authentication/login?old= during an invalid login attempt.
Understanding CVE-2020-13121
This CVE describes an open redirect vulnerability in Submitty version 20.04.01.
What is CVE-2020-13121?
The vulnerability allows attackers to redirect users to malicious websites during an invalid login attempt.
The Impact of CVE-2020-13121
If exploited, attackers can trick users into visiting malicious sites, potentially leading to phishing attacks or the installation of malware.
Technical Details of CVE-2020-13121
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability exists in Submitty through version 20.04.01, allowing an open redirect via authentication/login?old= during an invalid login attempt.
Affected Systems and Versions
- Affected Version: Submitty 20.04.01
Exploitation Mechanism
Attackers can craft a malicious URL to redirect users to external sites during failed login attempts.
Mitigation and Prevention
Protect your systems from CVE-2020-13121 with the following steps:
Immediate Steps to Take
- Update Submitty to a patched version.
- Be cautious of URLs during login attempts.
Long-Term Security Practices
- Implement strong authentication mechanisms.
- Regularly educate users on phishing awareness.
Patching and Updates
Ensure timely installation of security patches and updates for Submitty to mitigate the vulnerability.