Deserialization in Fasterxml Jackson-Databind

CVE-2019-12384

FasterXML jackson-databind 2.x before 2.9.9.1 might allow attackers to have a variety of impacts by leveraging failure to block the logback-core class from polymorphic deserialization. Depending on the classpath content, remote code execution may be possible.

Vulnerability class: Insecure Deserialization

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.452 (98.7th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-12384: held from 0.452 to 0.452.

EPSS over last 30 days · oldest: 0.452 · newest: 0.452 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-12384?
CVE-2019-12384 is a medium-severity vulnerability in Fasterxml Jackson-Databind, classified under Deserialization of Untrusted Data. CVSS score: 5.9/10. Published 2019-06-24.
How severe is CVE-2019-12384?
Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2019-12384 known to be exploited?
49 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.