HOMEVULNERABILITIESCVE-2019-20330
CRITICAL

CVE-2019-20330

CWE-502Published: January 3, 2020· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

FasterXML jackson-databind 2.x before 2.9.10.2 lacks certain net.sf.ehcache blocking.

NVD Source

Technical Analysis

CVE-2019-20330 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-502): Insecure deserialization vulnerabilities allow attackers to inject malicious objects during deserialization, potentially enabling remote code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Debian1 product(s)
debian linux
fasterxml1 product(s)
jackson-databind
netapp5 product(s)
active iq unified manageroncommand api servicesservice level managersnapcentersteelstore cloud integrated storage
Oracle23 product(s)
banking platformcommunications billing and revenue managementcommunications cloud native core network slice selection functioncommunications contacts servercommunications evolved communications application servercommunications instant messaging servercommunications network charging and controlcustomer management and segmentation foundationenterprise manager base platformglobal lifecycle management opatchgoldengate application adaptersgoldengate stream analytics+11
Source: NVD CPE · 47 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (66)

Quick Facts

CVE IDCVE-2019-20330
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-502
CISA KEVNo
Affected4 vendor(s)
PublishedJan 3, 2020

Related CVEs (CWE-502)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2019-20330 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.