A misconfiguration of RSA in PingID iOS app prior to 1.19 is vulnerable to pre-computed dictionary attacks, leading to an offline MFA bypass when using PingID Windows Login.
https://www.pingidentity.com/en/resources/downloads/pingid.html
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-28984
https://docs.pingidentity.com/bundle/pingid/page/ejd1642076304199.html