Deserialization in Fasterxml Jackson-databind

CVE-2019-20330

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

Vulnerability class: Insecure Deserialization

EPSS: 0.086 (94.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-20330?
CVE-2019-20330 is a critical-severity vulnerability in Fasterxml Jackson-databind, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2020-01-03.
How severe is CVE-2019-20330?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-20330 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.