{"id":"UBUNTU-CVE-2021-21311","details":"Adminer is an open-source database management in a single PHP file. In adminer from version 4.0.0 and before 4.7.9 there is a server-side request forgery vulnerability. Users of Adminer versions bundling all drivers (e.g. `adminer.php`) are affected. This is fixed in version 4.7.9.","modified":"2026-02-01T06:39:50.835357Z","published":"2021-02-11T21:15:00Z","related":["USN-5271-1"],"upstream":["CVE-2021-21311"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-21311"},{"type":"REPORT","url":"https://github.com/vrana/adminer/security/advisories/GHSA-x5r2-hj5c-8jx6"},{"type":"REPORT","url":"https://github.com/vrana/adminer/commit/ccd2374b0b12bd547417bf0dacdf153826c83351"},{"type":"REPORT","url":"https://github.com/vrana/adminer/commit/ccd2374b0b12bd547417bf0dacdf153826c83351"},{"type":"REPORT","url":"https://github.com/vrana/adminer/files/5957311/Adminer.SSRF.pdf"},{"type":"REPORT","url":"https://packagist.org/packages/vrana/adminer"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5271-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-21311"},{"type":"REPORT","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog"}],"affected":[{"package":{"name":"adminer","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/adminer@4.2.1-1ubuntu1+esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2.1-1ubuntu1+esm1"}]}],"versions":["4.2.1-1","4.2.1-1ubuntu1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"adminer","binary_version":"4.2.1-1ubuntu1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-21311.json"}},{"package":{"name":"adminer","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/adminer@4.6.2-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.2-1ubuntu0.1~esm1"}]}],"versions":["4.3.1-2","4.5.0-1","4.6.1-1","4.6.2-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"adminer","binary_version":"4.6.2-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-21311.json"}},{"package":{"name":"adminer","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/adminer@4.7.6-1ubuntu0.1~esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.7.6-1ubuntu0.1~esm1"}]}],"versions":["4.7.2-1","4.7.4-1","4.7.5-1","4.7.6-1"],"ecosystem_specific":{"binaries":[{"binary_name":"adminer","binary_version":"4.7.6-1ubuntu0.1~esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-21311.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}