{"id":"CVE-2023-20883","aliases":["GHSA-xf96-w227-r7c4"],"url":"https://o3.security/vulnerability/CVE-2023-20883","summary":"Spring Boot Welcome Page Denial of Service","details":"In Spring Boot versions 3.0.0 - 3.0.6, 2.7.0 - 2.7.11, 2.6.0 - 2.6.14, 2.5.0 - 2.5.14 and older unsupported versions, there is potential for a denial-of-service (DoS) attack if Spring MVC is used together with a reverse proxy cache.","published":"2023-05-26T00:00:00Z","modified":"2026-07-15T02:07:56.159495581Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.springframework.boot:spring-boot-autoconfigure","fixedVersion":"3.0.7"},{"ecosystem":"Maven","name":"org.springframework.boot:spring-boot-autoconfigure","fixedVersion":"2.7.12"},{"ecosystem":"Maven","name":"org.springframework.boot:spring-boot-autoconfigure","fixedVersion":"2.6.15"},{"ecosystem":"Maven","name":"org.springframework.boot:spring-boot-autoconfigure","fixedVersion":"2.5.15"}],"fix":null,"references":[{"type":"WEB","url":"https://spring.io/security/cve-2023-20883"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/20xxx/CVE-2023-20883.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-20883"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20230703-0008/"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T02:07:56.159495581Z"}}