CVE-2020-10718

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-09-16 · updated 2026-06-17

Description

A flaw was found in Wildfly before wildfly-embedded-13.0.0.Final, where the embedded managed process API has an exposed setting of the Thread Context Classloader (TCCL). This setting is exposed as a public method, which can bypass the security manager. The highest threat from this vulnerability is to confidentiality.

Affected products

RedHat Jboss Fuse: 7.0.0
Wildfly: before 13.0.0 — fixed in 13.0.0

How to fix

Upgrade to a fixed version: Wildfly 13.0.0. Check the vendor advisory for mitigations.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1828476
https://bugzilla.redhat.com/show_bug.cgi?id=1828476

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