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CVE-2016-4438 — Arbitrary code execution in...

CRITICAL

Arbitrary code execution in Apache Struts 2

Published May 14, 2022Updated February 16, 2024Source: osv

Summary

The REST plugin in Apache Struts 2 2.3.19 through 2.3.28.1 allows remote attackers to execute arbitrary code via a crafted expression.

Advisory Timeline

  • First published May 14, 2022 (1612 days ago).
  • Last revised February 16, 2024 — 643 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Maven
Update org.apache.struts:struts2-rest-plugin to 2.3.29 or later
<!-- Update pom.xml dependency version to 2.3.29 for org.apache.struts:struts2-rest-plugin -->
Maven
Update org.apache.struts:struts2-core to 2.3.29 or later
<!-- Update pom.xml dependency version to 2.3.29 for org.apache.struts:struts2-core -->

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (2)

Affects 1 ecosystem: maven (2).

PackageEcosystemAffectedFixed In
org.apache.struts:struts2-rest-plugin
maven
2.3.20, 2.3.20.1, 2.3.20.3, 2.3.24 (+4 more)2.3.29
org.apache.struts:struts2-core
maven
2.3.20, 2.3.20.1, 2.3.20.3, 2.3.24 (+4 more)2.3.29

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-20
    Improper Input ValidationMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2016-4438?
Arbitrary code execution in Apache Struts 2 This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2016-4438?
CVE-2016-4438 affects org.apache.struts:struts2-rest-plugin and org.apache.struts:struts2-core. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2016-4438 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-4prj-vw9j-v6pr

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