What’s Vulnerable › Vulnerabilities

CVE-2016-3087

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 81.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2016-06-07 · updated 2026-06-17
• Weakness: CWE-20

Description

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 vectors related to an ! (exclamation mark) operator to the REST Plugin.

Affected products

• Apache Struts: 2.3.20, 2.3.20.1, 2.3.24, 2.3.24.1, 2.3.28

References

• http://struts.apache.org/docs/s2-033.html
• http://www-01.ibm.com/support/docview.wss?uid=swg21987854
• http://www.securityfocus.com/bid/90960
• http://www.securitytracker.com/id/1036017
• https://www.exploit-db.com/exploits/39919/
• http://struts.apache.org/docs/s2-033.html
• http://www-01.ibm.com/support/docview.wss?uid=swg21987854
• http://www.securityfocus.com/bid/90960
• http://www.securitytracker.com/id/1036017
• https://www.exploit-db.com/exploits/39919/

Get alerted when CVE-2016-3087 or the next vulnerability affects your stack