{"id":"CVE-2020-25021","aliases":["EUVD-2020-17719","GHSA-pff9-qf32-rg82"],"status":"published","title":"An issue was discovered in Noise-Java through 2020-08-27. ChaChaPolyCipherState.encryptWithAd()...","description":"An issue was discovered in Noise-Java through 2020-08-27. ChaChaPolyCipherState.encryptWithAd() allows out-of-bounds access.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.02553,"percentile":0.85278,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-125","CWE-787"],"published":"2020-09-04T03:34:10Z","modified":"2026-10-20T13:57:27Z","products":[{"vendor":"noise-java_project","product":"noise-java"}],"references":[{"url":"https://github.com/rweather/noise-java/commit/18e86b6f8bea7326934109aa9ffa705ebf4bde90","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/rweather/noise-java/pull/12","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"http://seclists.org/fulldisclosure/2020/Sep/14","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Third Party Advisory","advisory"]},{"url":"http://packetstormsecurity.com/files/159057/Noise-Java-ChaChaPolyCipherState.encryptWithAd-Insufficient-Boundary-Checks.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-25021"},{"url":"https://github.com/advisories/GHSA-pff9-qf32-rg82"}],"sources":{"cve":[{"id":"CVE-2020-25021","description":"An issue was discovered in Noise-Java through 2020-08-27. ChaChaPolyCipherState.encryptWithAd() allows out-of-bounds access.","status":"published","published":"2020-09-04T03:34:10Z","modified":"2024-08-04T15:26:09.14Z","updated_at":"2026-11-02T14:35:48.52216Z"}],"euvd":[{"id":"EUVD-2020-17719","description":"An issue was discovered in Noise-Java through 2020-08-27. ChaChaPolyCipherState.encryptWithAd() allows out-of-bounds access.","status":"published","published":"2020-09-04T03:34:10Z","modified":"2024-08-04T15:26:09Z","updated_at":"2026-11-03T03:07:18.658916Z"}],"ghsa":[{"id":"GHSA-pff9-qf32-rg82","title":"An issue was discovered in Noise-Java through 2020-08-27. ChaChaPolyCipherState.encryptWithAd()...","description":"An issue was discovered in Noise-Java through 2020-08-27. ChaChaPolyCipherState.encryptWithAd() allows out-of-bounds access.","status":"published","published":"2022-05-24T17:27:26Z","modified":"2023-01-29T05:03:45Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:45:23.726919Z"}],"nvd":[{"id":"CVE-2020-25021","description":"An issue was discovered in Noise-Java through 2020-08-27. ChaChaPolyCipherState.encryptWithAd() allows out-of-bounds access.","status":"published","published":"2020-09-04T04:15:12.14Z","modified":"2026-06-17T03:06:15.297Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-125","CWE-787"],"updated_at":"2026-11-02T14:06:14.981587Z"}],"osv":[{"id":"CVE-2020-25021","description":"An issue was discovered in Noise-Java through 2020-08-27. ChaChaPolyCipherState.encryptWithAd() allows out-of-bounds access.","status":"published","published":"2020-09-04T04:15:12.14Z","modified":"2026-10-20T13:57:27.956118482Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:15.879068Z"}]}}