{"cve":"CVE-2021-3642","nvd":{"published":"2021-08-05T21:15:13.183","modified":"2026-06-17T04:05:29.643","status":"Modified","description":"A flaw was found in Wildfly Elytron in versions prior to 1.10.14.Final, prior to 1.15.5.Final and prior to 1.16.1.Final where ScramServer may be susceptible to Timing Attack if enabled. The highest threat of this vulnerability is confidentiality.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","score":5.3},"cwes":["CWE-203"],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=1981407","https://bugzilla.redhat.com/show_bug.cgi?id=1981407"],"products":["quarkus:quarkus","redhat:build_of_quarkus","redhat:codeready_studio","redhat:data_grid","redhat:descision_manager","redhat:integration_camel_k","redhat:integration_camel_quarkus","redhat:jboss_enterprise_application_platform","redhat:jboss_enterprise_application_platform_expansion_pack","redhat:jboss_fuse","redhat:openshift_application_runtimes","redhat:process_automation","redhat:wildfly_elytron"],"source":"nvd","synced_at":"2026-10-19T21:21:13.713336758+00:00"},"epss":{"cve":"CVE-2021-3642","score":0.00846,"percentile":0.58068,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-5499-qjvh-6j7w","url":"https://osv.dev/vulnerability/GHSA-5499-qjvh-6j7w","summary":"Observable Discrepancy in Wildfly Elytron","modified":"2026-09-10T03:49:37.698870401Z","packages":[{"ecosystem":"Maven","name":"org.wildfly.security:wildfly-elytron","purl":"pkg:maven/org.wildfly.security/wildfly-elytron","ranges":["<1.10.14"],"fixed":["1.10.14"]},{"ecosystem":"Maven","name":"org.wildfly.security:wildfly-elytron","purl":"pkg:maven/org.wildfly.security/wildfly-elytron","ranges":[">=1.11.0 <1.15.5"],"fixed":["1.15.5"]},{"ecosystem":"Maven","name":"org.wildfly.security:wildfly-elytron","purl":"pkg:maven/org.wildfly.security/wildfly-elytron","ranges":[">=1.16.0 <1.16.1"],"fixed":["1.16.1"]}]}],"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."]}