CVE-2019-14439
HIGH 7.5EPSS 10.8%
A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.x before 2.9.9.2. This occurs when Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint and the service has the logback jar in the classpath.
- CVSS v3.1 NVD
- 7.5 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS v2.0 NVD
- 5.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N - EPSS
- 10.76% chance of exploitation in the next 30 days, 96th percentile
- Published
- 2019-07-30
- Updated
- 2026-10-08
Proof-of-concept exploits (1)
- galimba/Jackson-deserialization-PoC8★ · 2020-08-03
Security advisories
- https://access.redhat.com/errata/RHSA-2019:3200
- FasterXML/jackson-databind/issues/2389
- https://lists.debian.org/debian-lts-announce/2019/08/msg00011.html
- https://seclists.org/bugtraq/2019/Oct/6
- https://security.netapp.com/advisory/ntap-20190814-0001
- https://www.debian.org/security/2019/dsa-4542
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.oracle.com/security-alerts/cpujan2020.html
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- advisories/GHSA-gwp4-hfv6-p7hw