{"id":"UBUNTU-CVE-2020-29074","details":"scan.c in x11vnc 0.9.16 uses IPC_CREAT|0777 in shmget calls, which allows access by actors other than the current user.","modified":"2025-09-08T16:46:29Z","published":"2020-11-25T23:15:00Z","upstream":["CVE-2020-29074"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-29074"},{"type":"REPORT","url":"https://github.com/LibVNC/x11vnc/commit/69eeb9f7baa14ca03b16c9de821f9876def7a36a"},{"type":"REPORT","url":"https://www.debian.org/security/2020/dsa-4799"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-29074"}],"affected":[{"package":{"name":"x11vnc","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/x11vnc@0.9.16-3ubuntu0.1~esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.13-6","0.9.16-3","0.9.16-3ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"x11vnc","binary_version":"0.9.16-3ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-29074.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}