{"cve":"CVE-2023-20883","nvd":{"published":"2023-05-26T17:15:14.047","modified":"2026-06-17T05:31:06.570","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-400"],"references":["https://security.netapp.com/advisory/ntap-20230703-0008/","https://spring.io/security/cve-2023-20883","https://security.netapp.com/advisory/ntap-20230703-0008/","https://spring.io/security/cve-2023-20883"],"products":["vmware:spring_boot"],"source":"nvd","synced_at":"2026-10-19T21:38:24.161619714+00:00"},"epss":{"cve":"CVE-2023-20883","score":0.00911,"percentile":0.60015,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-xf96-w227-r7c4","url":"https://osv.dev/vulnerability/GHSA-xf96-w227-r7c4","summary":"Spring Boot Welcome Page Denial of Service","modified":"2024-02-21T05:36:07.942864Z","packages":[{"ecosystem":"Maven","name":"org.springframework.boot:spring-boot-autoconfigure","purl":"pkg:maven/org.springframework.boot/spring-boot-autoconfigure","ranges":[">=3.0.0 <3.0.7"],"fixed":["3.0.7"]},{"ecosystem":"Maven","name":"org.springframework.boot:spring-boot-autoconfigure","purl":"pkg:maven/org.springframework.boot/spring-boot-autoconfigure","ranges":[">=2.7.0 <2.7.12"],"fixed":["2.7.12"]},{"ecosystem":"Maven","name":"org.springframework.boot:spring-boot-autoconfigure","purl":"pkg:maven/org.springframework.boot/spring-boot-autoconfigure","ranges":[">=2.6.0 <2.6.15"],"fixed":["2.6.15"]},{"ecosystem":"Maven","name":"org.springframework.boot:spring-boot-autoconfigure","purl":"pkg:maven/org.springframework.boot/spring-boot-autoconfigure","ranges":["<2.5.15"],"fixed":["2.5.15"]}]}],"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."]}