{"id":"CVE-2023-20861","details":"In Spring Framework versions 6.0.0 - 6.0.6, 5.3.0 - 5.3.25, 5.2.0.RELEASE - 5.2.22.RELEASE, and older unsupported versions, it is possible for a user to provide a specially crafted SpEL expression that may cause a denial-of-service (DoS) condition.","aliases":["GHSA-564r-hj7v-mcr5"],"modified":"2026-04-12T08:02:07.590507Z","published":"2023-03-23T21:15:19.737Z","references":[{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20230420-0007/"},{"type":"ADVISORY","url":"https://spring.io/security/cve-2023-20861"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/spring-projects/spring-framework","events":[{"introduced":"0"},{"last_affected":"8f4c17273499280394c6824d179e25702c8992f4"},{"introduced":"5acffaa72da10ba42fe547eeea44d8615cbf99b9"},{"last_affected":"2aeddb4fcb0fe49741e0744dbadfecbd7f3d6c54"},{"introduced":"5a30a43b753a971ac8bf4005a8ccddeaff439d7e"},{"last_affected":"68537d6d5b7098ffd63c87ed4db40c5644686742"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"5.2.22"},{"introduced":"5.3.0"},{"last_affected":"5.3.25"},{"introduced":"6.0.0"},{"last_affected":"6.0.6"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*"}}],"versions":["v3.2.0.M1","v3.2.0.M2","v3.2.0.RC1","v3.2.0.RC2-A","v3.2.0.RELEASE","v4.0.0.M1","v4.0.0.M2","v4.0.0.M3","v4.0.0.RC1","v4.0.0.RC2","v5.2.22.RELEASE","v5.3.25","v6.0.6"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-20861.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}