Deserialization in Fasterxml Jackson-Databind

CVE-2020-9548

FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing, related to br.com.anteros.dbcp.AnterosDBCPConfig (aka anteros-core).

Vulnerability class: Insecure Deserialization

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.189 (97.3th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.3% 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-2020-9548: rose from 0.183 to 0.189.

EPSS over last 30 days · oldest: 0.183 · newest: 0.189 · change: +0.006

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-9548?
CVE-2020-9548 is a critical-severity vulnerability in Fasterxml Jackson-Databind, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2020-03-02.
How severe is CVE-2020-9548?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-9548 known to be exploited?
37 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.