In Apache Struts 2.5 to 2.5.14, the REST Plugin is using an outdated JSON-lib library which is vulnerable and allow perform a DoS attack using malicious request with specially crafted JSON payload.
https://security.netapp.com/advisory/ntap-20171214-0001/
http://www.securitytracker.com/id/1039946
http://www.securityfocus.com/bid/102021
https://cwiki.apache.org/confluence/display/WW/S2-054
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
Source: Mitre, NVD
Published: 2017-12-01
Updated: 2025-04-20
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 6.2
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.02942