Deserialization in Fasterxml Jackson-databind

CVE-2019-17531

A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.0.0 through 2.9.10. When Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint and the service has the apach…

Vulnerability class: Insecure Deserialization

EPSS: 0.053 (91.6th 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-2019-17531?
CVE-2019-17531 is a critical-severity vulnerability in Fasterxml Jackson-databind, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2019-10-12.
How severe is CVE-2019-17531?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-17531 known to be exploited?
11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.