{"id":"CVE-2021-3637","aliases":["GHSA-2vp8-jv5v-6qh6"],"url":"https://o3.security/vulnerability/CVE-2021-3637","summary":"Allocation of resources without limits or throttling in keycloak-model-infinispan","details":"A flaw was found in keycloak-model-infinispan in keycloak versions before 14.0.0 where authenticationSessions map in RootAuthenticationSessionEntity grows boundlessly which could lead to a DoS attack.","published":"2021-07-09T11:15:09.997Z","modified":"2026-08-07T11:31:04.217119164Z","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":{"score":0.01129,"percentile":0.6386,"asOf":"2026-08-20"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.keycloak:keycloak-model-infinispan","fixedVersion":"14.0.0"}],"fix":null,"references":[{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1979638"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3637"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:31:04.217119164Z"}}