{"cve":"CVE-2023-20863","nvd":{"published":"2023-04-13T20:15:07.777","modified":"2026-06-17T05:31:02.697","status":"Modified","description":"In spring framework versions prior to 5.2.24 release+ ,5.3.27+ and 6.0.8+ , it is possible for a user to provide a specially crafted SpEL expression that may cause a denial-of-service (DoS) condition.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-917","CWE-400"],"references":["https://security.netapp.com/advisory/ntap-20240524-0015/","https://spring.io/security/cve-2023-20863","https://security.netapp.com/advisory/ntap-20240524-0015/","https://spring.io/security/cve-2023-20863"],"products":["vmware:spring_framework"],"source":"nvd","synced_at":"2026-10-19T21:38:05.473481323+00:00"},"epss":{"cve":"CVE-2023-20863","score":0.01122,"percentile":0.66225,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-wxqc-pxw9-g2p8","url":"https://osv.dev/vulnerability/GHSA-wxqc-pxw9-g2p8","summary":"Spring Framework vulnerable to denial of service","modified":"2024-06-10T19:04:24.157978Z","packages":[{"ecosystem":"Maven","name":"org.springframework:spring-expression","purl":"pkg:maven/org.springframework/spring-expression","ranges":[">=6.0.0 <6.0.8"],"fixed":["6.0.8"]},{"ecosystem":"Maven","name":"org.springframework:spring-expression","purl":"pkg:maven/org.springframework/spring-expression","ranges":[">=5.3.0 <5.3.27"],"fixed":["5.3.27"]},{"ecosystem":"Maven","name":"org.springframework:spring-expression","purl":"pkg:maven/org.springframework/spring-expression","ranges":["<5.2.24.RELEASE"],"fixed":["5.2.24.RELEASE"]}]}],"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."]}