CVE-2016-4461

Name: CVE-2016-4461
Creator: NVD / NIST
Published: 2017-10-16T16:29:00.607+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 8.34%

Last modified Jun 17, 2026

CVE-2016-4461 is a vulnerability of currently unknown severity. Apache Struts 2.x before 2.3.29 allows remote attackers to execute arbitrary code via a "%{}" sequence in a tag attribute, aka forced double OGNL evaluation. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-0785.. EPSS estimates a 8.34% chance of exploitation in the next 30 days.

Description

Apache Struts 2.x before 2.3.29 allows remote attackers to execute arbitrary code via a "%{}" sequence in a tag attribute, aka forced double OGNL evaluation. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-0785.

Metrics

EPSS Probability

8.34%

94.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Apache	Struts	>= 2.0.0, < 2.3.29
Netapp	Oncommand Balance	All versions

References

http://www.securityfocus.com/bid/91277Third Party Advisory, VDB Entry
https://security.netapp.com/advisory/ntap-20180629-0004/Third Party Advisory
https://struts.apache.org/docs/s2-036.htmlMitigation, Vendor Advisory
http://www.securityfocus.com/bid/91277Third Party Advisory, VDB Entry
https://security.netapp.com/advisory/ntap-20180629-0004/Third Party Advisory
https://struts.apache.org/docs/s2-036.htmlMitigation, Vendor Advisory

Timeline

Published: Oct 16, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-4461?

How severe is CVE-2016-4461?

Severity scoring for CVE-2016-4461 is pending analysis. The EPSS model estimates a 8.34% probability of exploitation in the next 30 days.

How do I fix CVE-2016-4461?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-4461?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST