CVE•Published 2020-02-10•Modified 2026-10-08•1 article on news•5 live references•NVD data
CVE-2020-8840Fasterxml · Jackson-databind
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
98
Exploit Prediction Scoring System · top 2% of all CVEs
Weaknesses (CWE)
Description
FasterXML jackson-databind 2.0.0 through 2.9.10.2 lacks certain xbean-reflect/JNDI blocking, as demonstrated by org.apache.xbean.propertyeditor.JndiConverter.
Timeline
Published 2020-02-10
Modified 2026-10-08
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 tag0 hosts
vuln:CVE-2020-8840Hosts 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-2020-8840Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2020-8840Censys host search filtered to this CVE id.
grep.app
CVE-2020-8840Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2020-8840GitHub code search for direct mentions.
Google dork
"CVE-2020-8840" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.