{"id":"CVE-2024-30171","aliases":["GHSA-v435-xc8x-wvr9"],"url":"https://o3.security/vulnerability/CVE-2024-30171","summary":"Bouncy Castle affected by timing side-channel for RSA key exchange (\"The Marvin Attack\")","details":"An issue was discovered in Bouncy Castle Java TLS API and JSSE Provider before 1.78. Timing-based leakage may occur in RSA based handshakes because of exception processing.","published":"2024-05-14T15:21:52Z","modified":"2026-04-10T05:12:03.650368Z","cvss":{"score":5.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":{"score":0.00901,"percentile":0.58024,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.bouncycastle:bctls-fips","fixedVersion":"1.0.19"},{"ecosystem":"Maven","name":"org.bouncycastle:bcprov-jdk18on","fixedVersion":"1.78"},{"ecosystem":"Maven","name":"org.bouncycastle:bcprov-jdk15on","fixedVersion":"1.78"},{"ecosystem":"Maven","name":"org.bouncycastle:bcprov-jdk15to18","fixedVersion":"1.78"},{"ecosystem":"Maven","name":"org.bouncycastle:bcprov-jdk14","fixedVersion":"1.78"},{"ecosystem":"Maven","name":"org.bouncycastle:bctls-jdk18on","fixedVersion":"1.78"},{"ecosystem":"Maven","name":"org.bouncycastle:bctls-jdk14","fixedVersion":"1.78"},{"ecosystem":"Maven","name":"org.bouncycastle:bctls-jdk15to18","fixedVersion":"1.78"},{"ecosystem":"NuGet","name":"BouncyCastle","fixedVersion":null},{"ecosystem":"NuGet","name":"BouncyCastle.Cryptography","fixedVersion":"2.3.1"}],"fix":{"url":"https://github.com/bcgit/bc-csharp/commit/c984b8bfd8544dfc55dba91a02cbbbb9c580c217","label":"bcgit/bc-csharp@c984b8b"},"references":[{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20240614-0008/"},{"type":"WEB","url":"https://github.com/bcgit/bc-csharp/wiki/CVE%E2%80%902024%E2%80%9030171"},{"type":"WEB","url":"https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902024%E2%80%9030171"},{"type":"WEB","url":"https://www.bouncycastle.org/latest_releases.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-30171"},{"type":"WEB","url":"https://github.com/bcgit/bc-csharp/commit/c984b8bfd8544dfc55dba91a02cbbbb9c580c217"},{"type":"WEB","url":"https://github.com/bcgit/bc-java/commit/d7d5e735abd64bf0f413f54fd9e495fc02400fb0"},{"type":"WEB","url":"https://github.com/bcgit/bc-java/commit/e0569dcb1dea9d421d84fc4c5c5688fe101afa2d"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20240614-0008"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-04-10T05:12:03.650368Z"}}