| Name | CVE-2020-25697 |
| Description | A privilege escalation flaw was found in the Xorg-x11-server due to a lack of authentication for X11 clients. This flaw allows an attacker to take control of an X application by impersonating the server it is expecting to connect to. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Long-standing design limitation in X11, unlikely to get fixed until the world moves to Wayland
https://www.openwall.com/lists/oss-security/2020/11/09/3