---
id: CVE-2021-20190
title: A flaw was found in jackson-databind before 2.9.10.7
summary: >-
  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
  av…
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-502
  - CWE-502
vendor: fasterxml
product: jackson-databind
affected:
  - jackson-databind < 2.6.7.5
  - 'jackson-databind >= 2.7.0, < 2.9.10.7'
  - active_iq_unified_manager
  - oncommand_api_services
  - oncommand_insight
  - service_level_manager
  - 'nifi >= 1.7.0, <= 1.12.1'
  - debian_linux = 9.0
  - commerce_experience_manager = 11.3.2
  - commerce_guided_search = 11.3.2
patched:
  - jackson-databind 2.9.10.7
published: '2021-01-19'
updated: '2026-07-24'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2021-20190'
references:
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=1916633'
    label: secalert@redhat.com
  - url: 'https://github.com/FasterXML/jackson-databind/issues/2854'
    label: secalert@redhat.com
  - url: >-
      https://lists.apache.org/thread.html/r380e9257bacb8551ee6fcf2c59890ae9477b2c78e553fa9ea08e9d9a%40%3Ccommits.nifi.apache.org%3E
    label: secalert@redhat.com
  - url: 'https://lists.debian.org/debian-lts-announce/2021/04/msg00025.html'
    label: secalert@redhat.com
  - url: 'https://security.netapp.com/advisory/ntap-20210219-0008/'
    label: secalert@redhat.com
  - url: 'https://www.oracle.com//security-alerts/cpujul2021.html'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=1916633'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://github.com/FasterXML/jackson-databind/issues/2854'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://lists.apache.org/thread.html/r380e9257bacb8551ee6fcf2c59890ae9477b2c78e553fa9ea08e9d9a%40%3Ccommits.nifi.apache.org%3E
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://lists.debian.org/debian-lts-announce/2021/04/msg00025.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://security.netapp.com/advisory/ntap-20210219-0008/'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://www.oracle.com//security-alerts/cpujul2021.html'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.07483
epssPercentile: 0.94208
ingestedAt: '2026-07-24T14:29:27.586Z'
---

## Overview

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.

## Affected

- `jackson-databind < 2.6.7.5`
- `jackson-databind >= 2.7.0, < 2.9.10.7`
- `active_iq_unified_manager`
- `oncommand_api_services`
- `oncommand_insight`
- `service_level_manager`
- `nifi >= 1.7.0, <= 1.12.1`
- `debian_linux = 9.0`
- `commerce_experience_manager = 11.3.2`
- `commerce_guided_search = 11.3.2`

## Remediation

Upgrade past the affected range:

- `jackson-databind 2.9.10.7`