{"cve":"CVE-2018-21234","nvd":{"published":"2020-05-21T23:15:11.103","modified":"2026-06-17T01:54:26.280","status":"Modified","description":"Jodd before 5.0.4 performs Deserialization of Untrusted JSON Data when setClassMetadataName is set.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-502"],"references":["https://github.com/oblac/jodd/commit/9bffc3913aeb8472c11bb543243004b4b4376f16","https://github.com/oblac/jodd/compare/v5.0.3...v5.0.4","https://github.com/oblac/jodd/issues/628","https://lists.apache.org/thread.html/r0bacc701ab7105500a0ab2769270d18f332cb379e6a62ec7553f3327%40%3Cissues.hive.apache.org%3E","https://lists.apache.org/thread.html/r157d01c96a2c10e7ceb3e005f42c52cfe87b11dd018935e1c4277433%40%3Cgitbox.hive.apache.org%3E"],"products":["apache:hive","jodd:jodd"],"source":"nvd","synced_at":"2026-10-19T21:05:42.039641217+00:00"},"epss":{"cve":"CVE-2018-21234","score":0.08318,"percentile":0.94936,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-jrg3-qq99-35g7","url":"https://osv.dev/vulnerability/GHSA-jrg3-qq99-35g7","summary":"Deserialization of Untrusted Data in Jodd","modified":"2024-02-16T08:02:40.454554Z","packages":[{"ecosystem":"Maven","name":"org.jodd:jodd-json","purl":"pkg:maven/org.jodd/jodd-json","ranges":["<5.0.4"],"fixed":["5.0.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}