Information disclosure in FasterXML jackson-databind

Published: 2019-07-30 | Updated: 2019-09-16
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-14439
Exploitation vector Network
Public exploit N/A
Vulnerable software
Universal components / Libraries / Libraries used by multiple products

Vendor FasterXML

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU19937

Risk: Medium


CVE-ID: CVE-2019-14439

CWE-ID: CWE-200 - Information Exposure

Exploit availability: No


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a polymorphic typing issue when Default Typing is enabled for an externally exposed JSON endpoint and the service has the logback jar in the classpath. A remote attacker can send a specially crafted JSON message and gain unauthorized access to sensitive information on the system.


Install updates from vendor's website.

Vulnerable software versions

jackson-databind: 2.9.0 -, 2.8.0 -, 2.7.0 -, 2.6.0 - 2.6.8, 2.5.0 - 2.5.5, 2.4.0 -, 2.3.0 - 2.3.5, 2.1.0 - 2.1.4, 2.0.0 - 2.0.4

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?