Deserialization in Fasterxml Jackson-databind

CVE-2020-36183

FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.docx4j.org.apache.xalan.lib.sql.JNDIConnectionPool.

Vulnerability class: Insecure Deserialization

EPSS: 0.022 (84.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/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-2020-36183?
CVE-2020-36183 is a high-severity vulnerability in Fasterxml Jackson-databind, classified under Deserialization of Untrusted Data. CVSS score: 8.1/10. Published 2021-01-07.
How severe is CVE-2020-36183?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2020-36183 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.