SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-14439

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.

HIGH 7.5EPSS 10.8%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 10.8%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.

Description

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 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
10.85% probability · 96th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-502
Affected
fasterxml/jackson-databind · debian/debian linux · fedoraproject/fedora · apache/drill · redhat/jboss middleware text-only advisories · oracle/banking platform · oracle/communications diameter signaling router · oracle/communications instant messaging server · oracle/financial services analytical applications infrastructure · oracle/global lifecycle management opatch · oracle/goldengate stream analytics · oracle/jd edwards enterpriseone orchestrator · oracle/jd edwards enterpriseone tools · oracle/primavera gateway · oracle/retail customer management and segmentation foundation · oracle/retail xstore point of service · oracle/siebel engineering - installer \& deployment · oracle/siebel ui framework
Source
cve@mitre.org
EPSS trend
0%8%15%27 October 2026: 10.85%27 October 202627 October 2026

EPSS 10.8% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.