{"id":"CVE-2021-20190","aliases":["BIT-nifi-2021-20190","GHSA-5949-rw7g-wx7w"],"url":"https://o3.security/vulnerability/CVE-2021-20190","summary":"Deserialization of untrusted data in jackson-databind","details":"A flaw was found in jackson-databind before 2.9.10.7. FasterXML mishandles the interaction between serialization gadgets and typing. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","published":"2021-01-19T17:15:13.427Z","modified":"2026-08-07T11:48:34.972875916Z","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Maven","name":"com.fasterxml.jackson.core:jackson-databind","fixedVersion":"2.9.10.7"},{"ecosystem":"Maven","name":"com.fasterxml.jackson.core:jackson-databind","fixedVersion":"2.6.7.5"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/r380e9257bacb8551ee6fcf2c59890ae9477b2c78e553fa9ea08e9d9a%40%3Ccommits.nifi.apache.org%3E"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/04/msg00025.html"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210219-0008/"},{"type":"ADVISORY","url":"https://www.oracle.com//security-alerts/cpujul2021.html"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1916633"},{"type":"FIX","url":"https://github.com/FasterXML/jackson-databind/issues/2854"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:48:34.972875916Z"}}