Vulnerability identifier: #VU46152

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-3081

CWE-ID: CWE-77

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache Struts
Server applications / Frameworks for developing and running applications

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insufficient filtration of user-supplied data, when Dynamic Method Invocation is enabled. A remote attacker can pass arbitrary commands via the method: prefix and execute them on the server.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Struts: 2.3.20 - 2.3.29

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External links
http://cwiki.apache.org/confluence/display/WW/S2-032

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.