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CVE-2016-3081 Apache CVE debrief

The Apache Struts Command Injection Vulnerability, identified as CVE-2016-3081, is a critical security flaw affecting the Apache Struts framework. This vulnerability allows attackers to inject malicious commands, potentially leading to unauthorized system access and control. Defenders of Apache Struts deployments must verify and apply patches or mitigations to prevent exploitation. The vulnerability's impact includes potential system compromise and data breaches, emphasizing the need for prompt action. This debrief provides an overview of the vulnerability, its implications, and recommended actions for defenders.

Vendor
Apache
Product
Struts
CVSS
HIGH 8.1
CISA KEV
Listed
Original CVE published
2016-04-26
Original CVE updated
2026-10-08
Advisory published
2016-04-26
Advisory updated
2026-10-08

Who should care

Defenders of Apache Struts deployments, including system administrators, security teams, and IT professionals, should prioritize remediation efforts. This vulnerability affects organizations using Apache Struts, potentially impacting a wide range of industries and sectors. The who should care includes those responsible for vulnerability management, incident response, and system security. They must assess exposure,

Why it matters

CVE-2016-3081 Apache Struts Command Injection Vulnerability requires verification and potential patching by defenders of Apache Struts deployments.

  • Verify and apply vendor patches
  • Assess exposure and prioritize remediation
  • Monitor for potential exploitation attempts

Technical summary

CVE-2016-3081 is a command injection vulnerability in the Apache Struts framework. This vulnerability occurs when user-supplied input is not properly sanitized, allowing attackers to execute arbitrary commands. The technical impact includes potential system compromise, data breaches, and unauthorized access. Defenders should focus on applying vendor patches or mitigations to prevent exploitation. The vulnerability's technical details highlight the importance of input validation and secure coding practices.

Defensive priority

High priority for defenders

Recommended defensive actions

  • Apply mitigations in accordance with vendor instructions
  • Ensure compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk guidance
  • Follow CISA’s Forensics Triage Requirements

Evidence notes

Evidence from CISA Known Exploited Vulnerabilities catalog and CVE Program record indicates that CVE-2016-3081 has been exploited in the wild. The CISA catalog and CVE Program provide authoritative information on vulnerabilities known to be exploited, helping defenders prioritize remediation efforts. However, specific details about the exploitation, such as attack vectors and impacted systems, are limited. Defenders should verify the vulnerability's presence in their environments and

Sources and references

Verified primary and authoritative sources

  • CVE-2016-3081 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2016-3081

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2016-3081 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2016-3081

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.