CVE-2016-3081: Apache Struts Command Injection Vulnerability
Affects Apache StrutsSource CISA KEV
No CVSS score published yet
- Exploitation
Actively exploited – in CISA KEV since 10/08/2026
- KEV deadline
- 10/11/2026
- EPSS
- 96.1% chance of exploitation in 30 days – higher than 99% of CVEs
What to do
CISA required action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
- cwiki.apache.org/confluence/display/WW/S2-032 (opens in a new tab)
- cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk (opens in a new tab)
- cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk (opens in a new tab)
- nvd.nist.gov/vuln/detail/CVE-2016-3081 (opens in a new tab)
Description
Apache Struts contains a command injection vulnerability that could allow remote attackers to execute arbitrary code via method:prefix when Dynamic Method Invocation is enabled.
Weaknesses
References
- cwiki.apache.org/confluence/display/WW/S2-032 (opens in a new tab)
- cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk (opens in a new tab)
- cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk (opens in a new tab)
- nvd.nist.gov/vuln/detail/CVE-2016-3081 (opens in a new tab)
- cisa.gov/known-exploited-vulnerabilities-catalog?search=CVE-2016-3081 (opens in a new tab)