{"id":"CVE-2020-28923","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-28923","generatedAt":"2026-10-27T20:22:04.725Z","title":"An issue was discovered in Play Framework 2.8.0 through 2.8.4.","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.","published":"2020-12-03T17:15:13.000Z","lastModified":"2026-06-17T03:10:50.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":2.7,"severity":"LOW","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N"},"cwe":[],"affected":["lightbend/play framework"],"epss":{"score":0.00969,"percentile":0.61624,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.97%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.playframework.com/security/vulnerability","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.playframework.com/security/vulnerability/CVE-2020-28923-ImproperRemovalofSensitiveInformationBeforeStorageorTransfer","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.playframework.com/security/vulnerability","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.playframework.com/security/vulnerability/CVE-2020-28923-ImproperRemovalofSensitiveInformationBeforeStorageorTransfer","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-28923","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}