{"id":"CVE-2015-20112","aliases":["EUVD-2015-9392","GHSA-gv8j-3j98-685g"],"status":"published","title":"RLPx 5 has two CTR streams based on the same key, IV, and nonce. This can facilitate decryption...","description":"RLPx 5 has two CTR streams based on the same key, IV, and nonce. This can facilitate decryption on a private network.","severity":{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00166,"percentile":0.05918,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-325"],"published":"2025-06-29T00:00:00Z","modified":"2026-06-17T00:23:24Z","products":[{"vendor":"ethereum","product":"rlpx"}],"references":[{"url":"https://github.com/hyperledger/besu/issues/7926"},{"url":"https://github.com/ethereum/go-ethereum/issues/1315"},{"url":"https://github.com/ethereum/devp2p/blob/master/rlpx.md#known-issues-in-the-current-version"},{"url":"https://github.com/LaurentMT/go-ethereum/commit/e8cba7283b57280b1bcf5761478f852398365901"},{"url":"https://github.com/ethereum/devp2p/issues/32"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-20112"},{"url":"https://github.com/advisories/GHSA-gv8j-3j98-685g"}],"sources":{"cve":[{"id":"CVE-2015-20112","description":"RLPx 5 has two CTR streams based on the same key, IV, and nonce. This can facilitate decryption on a private network.","status":"published","published":"2025-06-29T00:00:00Z","modified":"2025-06-30T15:44:44.955Z","cvss":[{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-325"],"updated_at":"2026-11-02T14:35:39.447402Z"}],"euvd":[{"id":"EUVD-2015-9392","description":"RLPx 5 has two CTR streams based on the same key, IV, and nonce. This can facilitate decryption on a private network.","status":"published","published":"2025-06-29T00:00:00Z","modified":"2025-06-30T15:44:44Z","cvss":[{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T20:32:15.785343Z"}],"ghsa":[{"id":"GHSA-gv8j-3j98-685g","title":"RLPx 5 has two CTR streams based on the same key, IV, and nonce. This can facilitate decryption...","description":"RLPx 5 has two CTR streams based on the same key, IV, and nonce. This can facilitate decryption on a private network.","status":"published","published":"2025-06-29T21:30:26Z","modified":"2025-06-29T21:30:26Z","cvss":[{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-325"],"updated_at":"2026-11-02T15:02:52.182291Z"}],"nvd":[{"id":"CVE-2015-20112","description":"RLPx 5 has two CTR streams based on the same key, IV, and nonce. This can facilitate decryption on a private network.","status":"published","published":"2025-06-29T21:15:22.21Z","modified":"2026-06-17T00:23:24.777Z","cvss":[{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-325"],"updated_at":"2026-11-02T14:03:20.037729Z"}]}}