Vulnerability identifier: #VU82186

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-2013-4316

CWE-ID: CWE-16

Exploitation vector: Network

Exploit availability: No

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

Vendor: Apache Foundation

Description

The issue may allow a remote attacker to bypass implemented security restrictions.

The issue exists due to Apache Struts enables Dynamic Method Invocation by default. A remote attacker can trigger the vulnerability to bypass implemented security restrictions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Struts: 2.0.0 - 2.3.15.1

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External links
http://archives.neohapsis.com/archives/bugtraq/2013-09/0107.html
http://struts.apache.org/release/2.3.x/docs/s2-019.html
http://www.oracle.com/technetwork/topics/security/cpujan2014-1972949.html
http://www.securityfocus.com/bid/64758
http://www.securitytracker.com/id/1029078

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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.