Apache Struts 2.3.19 to 2.3.20.2, 2.3.21 to 2.3.24.1, and 2.3.25 to 2.3.28, when Dynamic Method Invocation is enabled, allow remote attackers to execute arbitrary code via method: prefix, related to chained expressions.
packetstormsecurity.com/files/136856/Apache-Struts-2.3.28-Dynamic-Method-Invocation-Remote-Code-Execution.html
www.huawei.com/en/psirt/security-advisories/huawei-sa-20160527-01-struts2-en
www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
www.rapid7.com/db/modules/exploit/linux/http/struts_dmi_exec
www.rapid7.com/db/modules/exploit/multi/http/struts_dmi_exec
github.com/apache/struts
nvd.nist.gov/vuln/detail/CVE-2016-3081
struts.apache.org/docs/s2-032.html
web.archive.org/web/20210123152457/www.securityfocus.com/bid/91787
web.archive.org/web/20210225192113/www.securityfocus.com/bid/87327
web.archive.org/web/20210226011418/www.securitytracker.com/id/1035665
www.exploit-db.com/exploits/39756