openvpn is vulnerable to information disclosure. An attacker is able to bypass authorization and authentication controls on servers configured with deferred authentication to obtain confidential information.
community.openvpn.net/openvpn/wiki/CVE-2020-15078
community.openvpn.net/openvpn/wiki/SecurityAnnouncements
lists.debian.org/debian-lts-announce/2022/05/msg00002.html
lists.fedoraproject.org/archives/list/[email protected]/message/GJUXEYHUPREEBPX23VPEKMFXUPVO3PMU/
lists.fedoraproject.org/archives/list/[email protected]/message/JGEGLC4YGBDN5CGHTNWN2GH6DJJA36T2/
lists.fedoraproject.org/archives/list/[email protected]/message/PLDB3OBQ3AODYYRN7NRCABV6I4AUFAT6/
security-tracker.debian.org/tracker/CVE-2020-15078
security.gentoo.org/glsa/202105-25
usn.ubuntu.com/usn/usn-4933-1