Submitty through 20.04.01 contains an open redirect vulnerability via authentication/login?old= during an invalid login attempt. An attacker can redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations.
View the template here CVE-2020-13121.yaml
References:
https://nvd.nist.gov/vuln/detail/CVE-2020-13121