CookieInterceptor in Apache Struts 2.x before 2.3.20, when a wildcard cookiesName value is used, does not properly restrict access to the getClass method, which allows remote attackers to "manipulate" the ClassLoader and modify session state via a crafted request. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-0113.
Severity
Medium 5.8
Published
8 May 2014
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
6.6% in the next 30 daysHigher than 93% of CVEs. EPSS by FIRST, 12 Nov 2026