VulnerabilityModified

CVE-2016-3087

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 !

EXPLOIT ×2 ✓CRITICAL 9.8EPSS 81.9%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 81.9%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 3.0: 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 81.87% probability · 100th percentile
Public exploits: 2 in Exploit-DB · verified · first 10 June 2016
CISA KEV: Not listed
Weakness: CWE-20
Affected: apache/struts
Source: secalert@redhat.com

EPSS trend

EPSS moved from 80.9% on 21 September 2026 to 81.9% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Public exploits (2)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-ID	Title	Type	Published	Verified
EDB-43382 source ↗	Apache Struts - REST Plugin With Dynamic Method Invocation Remote Code Executionmultiple · nixawk	remote	6 June 2017	no
EDB-39919 source ↗	Apache Struts - REST Plugin With Dynamic Method Invocation Remote Code Execution (Metasploit)multiple · Metasploit	remote	10 June 2016	yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.