{"id":"CVE-2023-34055","aliases":["GHSA-jjfh-589g-3hjx"],"url":"https://o3.security/vulnerability/CVE-2023-34055","summary":"Spring Boot server Web Observations DoS Vulnerability","details":"In Spring Boot versions 2.7.0 - 2.7.17, 3.0.0-3.0.12 and 3.1.0-3.1.5, it is possible for a user to provide specially crafted HTTP requests that may cause a denial-of-service (DoS) condition.\n\nSpecifically, an application is vulnerable when all of the following are true:\n\n  *  the application uses Spring MVC or Spring WebFlux\n  *  org.springframework.boot:spring-boot-actuator is on the classpath","published":"2023-11-28T08:27:25.132Z","modified":"2026-08-12T03:51:45.619931795Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.springframework.boot:spring-boot-actuator","fixedVersion":"2.7.18"},{"ecosystem":"Maven","name":"org.springframework.boot:spring-boot-actuator","fixedVersion":"3.0.13"},{"ecosystem":"Maven","name":"org.springframework.boot:spring-boot-actuator","fixedVersion":"3.1.6"}],"fix":{"url":"https://github.com/spring-projects/spring-boot/commit/5490e73922b37a7f0bdde43eb318cb1038b45d60","label":"spring-projects/spring-boot@5490e73"},"references":[{"type":"WEB","url":"https://spring.io/security/cve-2023-34055"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/34xxx/CVE-2023-34055.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-34055"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20231221-0010/"},{"type":"WEB","url":"https://github.com/spring-projects/spring-boot/commit/5490e73922b37a7f0bdde43eb318cb1038b45d60"},{"type":"PACKAGE","url":"https://github.com/spring-projects/spring-boot"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20231221-0010"},{"type":"WEB","url":"https://security.snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORKBOOT-6226862"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:45.619931795Z"}}