{"id":"CVE-2020-28923","aliases":["EUVD-2022-1198","GHSA-v9mf-jgq3-c28h"],"status":"published","title":"Data Amplification in Play Framework","description":"An issue was discovered in Play Framework 2.8.0 through 2.8.4. Carefully crafted JSON payloads sent as a form field lead to Data Amplification. This affects users migrating from a Play version prior to 2.8.0 that used the Play Java API to serialize classes with protected or private fields to JSON.","severity":{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00969,"percentile":0.62291,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2020-12-03T16:21:31Z","modified":"2026-10-24T10:30:49Z","fixes":[{"ecosystem":"Maven","package":"com.typesafe.play:play","fixed_in":["2.8.5"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"com.typesafe.play:play","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8.0"},{"fixed":"2.8.5"}]}]},{"source":"osv","ecosystem":"Maven","package":"com.typesafe.play:play","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8.0"},{"fixed":"2.8.5"}]}]}],"products":[{"vendor":"lightbend","product":"play_framework"}],"references":[{"url":"https://www.playframework.com/security/vulnerability","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://www.playframework.com/security/vulnerability/CVE-2020-28923-ImproperRemovalofSensitiveInformationBeforeStorageorTransfer","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28923","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-v9mf-jgq3-c28h"}],"sources":{"cve":[{"id":"CVE-2020-28923","description":"An issue was discovered in Play Framework 2.8.0 through 2.8.4. Carefully crafted JSON payloads sent as a form field lead to Data Amplification. This affects users migrating from a Play version prior to 2.8.0 that used the Play Java API to serialize classes with protected or private fields to JSON.","status":"published","published":"2020-12-03T16:21:31Z","modified":"2024-08-04T16:41:00.239Z","updated_at":"2026-11-02T14:35:57.352161Z"}],"euvd":[{"id":"EUVD-2022-1198","description":"An issue was discovered in Play Framework 2.8.0 through 2.8.4. Carefully crafted JSON payloads sent as a form field lead to Data Amplification. This affects users migrating from a Play version prior to 2.8.0 that used the Play Java API to serialize classes with protected or private fields to JSON.","status":"published","published":"2020-12-03T16:21:31Z","modified":"2024-08-04T16:41:00Z","updated_at":"2026-11-03T03:07:08.475588Z"}],"ghsa":[{"id":"GHSA-v9mf-jgq3-c28h","title":"Data Amplification in Play Framework","description":"An issue was discovered in Play Framework 2.8.0 through 2.8.4. Carefully crafted JSON payloads sent as a form field lead to Data Amplification. This affects users migrating from a Play version prior to 2.8.0 that used the Play Java API to serialize classes with protected or private fields to JSON.","status":"published","published":"2022-02-09T22:54:21Z","modified":"2023-02-01T05:05:23Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:36:34.260786Z"}],"nvd":[{"id":"CVE-2020-28923","description":"An issue was discovered in Play Framework 2.8.0 through 2.8.4. Carefully crafted JSON payloads sent as a form field lead to Data Amplification. This affects users migrating from a Play version prior to 2.8.0 that used the Play Java API to serialize classes with protected or private fields to JSON.","status":"published","published":"2020-12-03T17:15:13.287Z","modified":"2026-06-17T03:10:49.983Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:27.10541Z"}],"osv":[{"id":"CVE-2020-28923","description":"An issue was discovered in Play Framework 2.8.0 through 2.8.4. Carefully crafted JSON payloads sent as a form field lead to Data Amplification. This affects users migrating from a Play version prior to 2.8.0 that used the Play Java API to serialize classes with protected or private fields to JSON.","status":"published","published":"2020-12-03T17:15:13.287Z","modified":"2026-10-24T10:30:49.715350979Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T15:44:16.612899Z"},{"id":"GHSA-v9mf-jgq3-c28h","title":"Data Amplification in Play Framework","description":"An issue was discovered in Play Framework 2.8.0 through 2.8.4. Carefully crafted JSON payloads sent as a form field lead to Data Amplification. This affects users migrating from a Play version prior to 2.8.0 that used the Play Java API to serialize classes with protected or private fields to JSON.","status":"published","published":"2022-02-09T22:54:21Z","modified":"2023-11-08T04:03:29.644045Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:46:56.981655Z"}]}}