Is CVE-2021-20190 actively exploited?

CVE-2021-20190 has no public evidence of in-the-wild exploitation as of 2025-08-27.

What is the CVSS score for CVE-2021-20190?

CVE-2021-20190 has a CVSS score of 8.1 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2021-20190?

Patch guidance is available from fasterxml security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-20190.

Fix CVE-2021-20190 - HIGH fasterxml jackson-databind

Q: Which products are affected by CVE-2021-20190?

10 products: fasterxml jackson-databind, fasterxml jackson-databind, netapp active iq unified manager, netapp active iq unified manager, netapp oncommand api services, and 5 more.

Description

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: high
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-502 · Insecure Deserialization CWE-502 · Insecure Deserialization

Metadata

Primary Vendor: FASTERXML
Published: 1/19/2021
Last Modified: 8/27/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

fasterxml : jackson-databindfasterxml : jackson-databindnetapp : active_iq_unified_managernetapp : active_iq_unified_managernetapp : oncommand_api_servicesnetapp : oncommand_insightnetapp : service_level_managerapache : nifidebian : debian_linuxoracle : commerce_guided_search_and_experience_manager

Remediation Guidance

Executive Summary

View on NIST NVD