Deserialization of Untrusted Data in Wildfly - CVE-2020-10740
Published: July 14, 2023 / Updated: September 11, 2026
Vulnerability identifier: #VU148973
CSH Severity: Low
CVSS v4: 7.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-10740
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary code.
The vulnerability exists due to deserialization of untrusted data in the Enterprise Application Beans (EJB) component when processing serialized EJB data. A remote user can send specially crafted serialized data to execute arbitrary code.
Affected software
Wildfly
How to mitigate CVE-2020-10740
Install security update from vendor's website.
Wildfly - update to 20.0.0