{"id":"USN-9061-1","summary":"shiro vulnerabilities","details":"It was discovered that Apache Shiro incorrectly handled certain\nspecially crafted requests when used with Spring dynamic controllers.\nA remote attacker could possibly use this issue to bypass\nauthentication. (CVE-2020-1957, CVE-2020-11989)","modified":"2026-11-12T17:29:31.440608362Z","published":"2026-11-11T18:29:46Z","related":["UBUNTU-CVE-2020-11989","UBUNTU-CVE-2020-1957"],"upstream":["CVE-2020-11989","CVE-2020-1957","UBUNTU-CVE-2020-11989","UBUNTU-CVE-2020-1957"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-9061-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-1957"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-11989"}],"affected":[{"package":{"name":"shiro","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/shiro?arch=source&distro=esm-apps-legacy%2Fxenial"},"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 with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_name":"libshiro-java","binary_version":"1.2.4-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-9061-1.json","cves_map":{"cves":[{"id":"CVE-2020-1957","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":"Ubuntu","score":"medium"}]},{"id":"CVE-2020-11989","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}}],"schema_version":"1.9.2"}