{"id":"CVE-2020-5407","details":"Spring Security versions 5.2.x prior to 5.2.4 and 5.3.x prior to 5.3.2 contain a signature wrapping vulnerability during SAML response validation. When using the spring-security-saml2-service-provider component, a malicious user can carefully modify an otherwise valid SAML response and append an arbitrary assertion that Spring Security will accept as valid.","aliases":["GHSA-48rw-j489-928m"],"modified":"2026-03-15T22:36:13.698762Z","published":"2020-05-13T17:15:11.967Z","references":[{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpujan2021.html"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuoct2020.html"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r73af928cf64bebf78b7fa4bc56a5253273ec7829f5f5827f64c72fc7%40%3Cissues.servicemix.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/ra19a4e7236877fe12bfb52db07b27ad72d9e7a9f5e27bba7e928e18a%40%3Cdev.geode.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rd99601fbca514f214f88f9e53fd5be3cfbff05b350c994b4ec2e184c%40%3Cdev.geode.apache.org%3E"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuApr2021.html"},{"type":"ADVISORY","url":"https://tanzu.vmware.com/security/cve-2020-5407"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-5407.json","unresolved_ranges":[{"events":[{"introduced":"5.2.0"},{"fixed":"5.2.4"}]},{"events":[{"introduced":"5.3.0"},{"fixed":"5.3.2"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}