CVE•Published 2021-01-19•Modified 2026-07-24•1 article on news•7 live references•NVD data
CVE-2021-20190Fasterxml · Jackson-databind
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
94
Exploit Prediction Scoring System · top 6% of all CVEs
Weaknesses (CWE)
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.
Timeline
Published 2021-01-19
Modified 2026-07-24
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag3 hosts
vuln:CVE-2021-20190Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Fasterxml Jackson-databind"All exposed Fasterxml Jackson-databind instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Jackson-databind"HTTP body or banner mentions "Jackson-databind" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2021-20190Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2021-20190Censys host search filtered to this CVE id.
grep.app
CVE-2021-20190Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2021-20190GitHub code search for direct mentions.
Google dork
"CVE-2021-20190" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.