{"cve":"CVE-2017-2585","nvd":{"published":"2018-03-12T15:29:00.397","modified":"2026-06-17T01:16:27.140","status":"Modified","description":"Red Hat Keycloak before version 2.5.1 has an implementation of HMAC verification for JWS tokens that uses a method that runs in non-constant time, potentially leaving the application vulnerable to timing attacks.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.9},"cwes":["CWE-200"],"references":["http://rhn.redhat.com/errata/RHSA-2017-0876.html","http://www.securityfocus.com/bid/97393","http://www.securitytracker.com/id/1038180","https://access.redhat.com/errata/RHSA-2017:0872","https://access.redhat.com/errata/RHSA-2017:0873"],"products":["redhat:keycloak","redhat:single_sign_on"],"source":"nvd","synced_at":"2026-10-19T20:48:50.842038930+00:00"},"epss":{"cve":"CVE-2017-2585","score":0.01974,"percentile":0.80473,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-w6gv-3r3v-gwgj","url":"https://osv.dev/vulnerability/GHSA-w6gv-3r3v-gwgj","summary":"keycloak-core vulnerable to timing attacks against JWS token verification","modified":"2024-02-16T07:58:50.193955Z","packages":[{"ecosystem":"Maven","name":"org.keycloak:keycloak-core","purl":"pkg:maven/org.keycloak/keycloak-core","ranges":["<2.5.1"],"fixed":["2.5.1"]}]}],"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."]}