{"id":"UBUNTU-CVE-2016-4437","details":"Apache Shiro before 1.2.5, when a cipher key has not been configured for the \"remember me\" feature, allows remote attackers to execute arbitrary code or bypass intended access restrictions via an unspecified request parameter.","modified":"2026-02-04T03:30:25.724611Z","published":"2016-06-07T14:06:00Z","related":["USN-7139-1"],"upstream":["CVE-2016-4437"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-4437"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-4437"},{"type":"REPORT","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7139-1"}],"affected":[{"package":{"name":"shiro","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/shiro@1.2.4-1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.4-1ubuntu0.1~esm1"}]}],"versions":["1.2.4-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"1.2.4-1ubuntu0.1~esm1","binary_name":"libshiro-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-4437.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}]}