Remote command execution in Apache Struts

Published: 2016-04-26 | Updated: 2020-09-01

Risk	High
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2016-3081
CWE-ID	CWE-77
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Apache Struts Server applications / Frameworks for developing and running applications
Vendor	Apache Foundation

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Command Injection

EUVDB-ID: #VU46152

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 - Command injection

Exploit availability: No

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

External links

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

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.