{"id":"CVE-2019-10754","aliases":["GHSA-g24w-373r-5pxg"],"url":"https://o3.security/vulnerability/CVE-2019-10754","summary":"Use of Insufficiently Random Values in Apereo CAS","details":"Multiple classes used within Apereo CAS before release 6.1.0-RC5 makes use of apache commons-lang3 RandomStringUtils for token and ID generation which makes them predictable due to RandomStringUtils PRNG's algorithm not being cryptographically strong.","published":"2019-09-23T23:15:10.640Z","modified":"2026-08-27T08:40:52.492750Z","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":5,"affectedPackages":[{"ecosystem":"Maven","name":"org.apereo.cas:cas-server-support-simple-mfa","fixedVersion":"6.1.0-RC5"},{"ecosystem":"Maven","name":"org.apereo.cas:cas-server-support-oidc","fixedVersion":"6.1.0-RC5"},{"ecosystem":"Maven","name":"org.apereo.cas:cas-server-core-services-api","fixedVersion":"6.1.0-RC5"},{"ecosystem":"Maven","name":"org.apereo.cas:cas-server-support-oauth-core-api","fixedVersion":"6.1.0-RC5"},{"ecosystem":"Maven","name":"org.apereo.cas:cas-server-support-shell","fixedVersion":"6.1.0-RC5"},{"ecosystem":"Maven","name":"org.apereo.cas:cas-server-core-services-authentication","fixedVersion":"6.1.0-RC5"}],"fix":{"url":"https://github.com/apereo/cas/commit/40bf278e66786544411c471de5123e7a71826b9f","label":"apereo/cas@40bf278"},"references":[{"type":"FIX","url":"https://snyk.io/vuln/SNYK-JAVA-ORGAPEREOCAS-467402"},{"type":"FIX","url":"https://snyk.io/vuln/SNYK-JAVA-ORGAPEREOCAS-467404"},{"type":"FIX","url":"https://snyk.io/vuln/SNYK-JAVA-ORGAPEREOCAS-467406"},{"type":"FIX","url":"https://snyk.io/vuln/SNYK-JAVA-ORGAPEREOCAS-468868"},{"type":"FIX","url":"https://snyk.io/vuln/SNYK-JAVA-ORGAPEREOCAS-468869"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-10754"},{"type":"WEB","url":"https://github.com/apereo/cas/commit/40bf278e66786544411c471de5123e7a71826b9f"},{"type":"PACKAGE","url":"https://github.com/apereo/cas"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T08:40:52.492750Z"}}