UpHeron
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Servers and applications

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 ! (exclamation mark) operator to the REST Plugin.

Severity
Critical 9.8
Published
7 Jun 2016
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
82% in the next 30 daysHigher than 99% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Improper input validation (CWE-20)
Attack
Over the network · No login needed · No user action needed
Attacker can
Read data · Change data · Take it down
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Sources
NVD

Affected software

SoftwareAffected versions
Apache StrutsServers and applications · cpe:a:apache:struts
  • Version 2.3.20
  • Version 2.3.20.1
  • Version 2.3.24
  • Version 2.3.24.1
  • Version 2.3.28

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-3087
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-3087