{"cve":"CVE-2021-41303","nvd":{"published":"2021-09-17T09:15:09.267","modified":"2026-06-17T04:08:16.447","status":"Modified","description":"Apache Shiro before 1.8.0, when using Apache Shiro with Spring Boot, a specially crafted HTTP request may cause an authentication bypass. Users should update to Apache Shiro 1.8.0.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-287"],"references":["https://lists.apache.org/thread.html/raae98bb934e4bde304465896ea02d9798e257e486d04a42221e2c41b%40%3Cuser.shiro.apache.org%3E","https://lists.apache.org/thread.html/re470be1ffea44bca28ccb0e67a4cf5d744e2d2b981d00fdbbf5abc13%40%3Cannounce.shiro.apache.org%3E","https://security.netapp.com/advisory/ntap-20220609-0001/","https://www.oracle.com/security-alerts/cpujul2022.html","https://lists.apache.org/thread.html/raae98bb934e4bde304465896ea02d9798e257e486d04a42221e2c41b%40%3Cuser.shiro.apache.org%3E"],"products":["apache:shiro","oracle:financial_services_crime_and_compliance_management_studio"],"source":"nvd","synced_at":"2026-10-19T21:23:41.316049955+00:00"},"epss":{"cve":"CVE-2021-41303","score":0.7613,"percentile":0.99533,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-f6jp-j6w3-w9hm","url":"https://osv.dev/vulnerability/GHSA-f6jp-j6w3-w9hm","summary":"Apache Shiro vulnerable to a specially crafted HTTP request causing an authentication bypass","modified":"2024-02-19T05:32:19.684337Z","packages":[{"ecosystem":"Maven","name":"org.apache.shiro:shiro-core","purl":"pkg:maven/org.apache.shiro/shiro-core","ranges":["<1.8.0"],"fixed":["1.8.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}