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CVE-2019-12814

MEDIUMCVSS 5.9/10EPSS 10.95%

Last modified

CVE-2019-12814 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.x through 2.9.9. When Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint and the service has JDOM 1.x or 2.x jar in the classpath, an attacker can send a specifically crafted JSON message that allows them to read arbitrary local files on the server.. EPSS estimates a 10.95% chance of exploitation in the next 30 days.

Description

A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.x through 2.9.9. When Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint and the service has JDOM 1.x or 2.x jar in the classpath, an attacker can send a specifically crafted JSON message that allows them to read arbitrary local files on the server.

Metrics

CVSS 3.1
5.9/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability
10.95%

95.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
FasterxmlJackson-Databind>= 2.0.0, < 2.6.7.3
FasterxmlJackson-Databind>= 2.7.0, < 2.7.9.6
FasterxmlJackson-Databind>= 2.8.0, < 2.8.11.4
FasterxmlJackson-Databind>= 2.9.0, < 2.9.9.2
DebianDebian Linux8.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-12814?
A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.x through 2.9.9. When Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint and the service has JDOM 1.x or 2.x jar in the classpath, an attacker can send a specifically crafted JSON message that allows them to read arbitrary local files on the server.
How severe is CVE-2019-12814?
CVE-2019-12814 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 10.95% probability of exploitation in the next 30 days.
How do I fix CVE-2019-12814?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST