SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-12384

FasterXML jackson-databind 2.x before 2.9.9.1 might allow attackers to have a variety of impacts by leveraging failure to block the logback-core class from polymorphic deserialization.

MEDIUM 5.9EPSS 45.2%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 45.2%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

FasterXML jackson-databind 2.x before 2.9.9.1 might allow attackers to have a variety of impacts by leveraging failure to block the logback-core class from polymorphic deserialization. Depending on the classpath content, remote code execution may be possible.

CVSS 3.1
5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
45.20% probability · 99th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-502
Affected
fasterxml/jackson-databind · debian/debian linux · redhat/enterprise linux
Source
cve@mitre.org
EPSS trend
0%25%50%27 October 2026: 45.20%27 October 202627 October 2026

EPSS 45.2% 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.