CVE-2021-20431 json
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 obta…
published 5y ago modified 4mo ago also EUVD-2021-7849
- cvss
- 4.3
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 61%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- ibm.com/support/pages/node/6474865 advisory
Is CVE-2021-20431 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
0.94% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 4.3 | 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 |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| CNA | 3.0 | 4.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
Affected products
- IBM i2 Analyst's Notebook Premium
Classification
- Weakness
-
- CWE-613 DEPRECATED: Insufficient Session Expiration
References
-
ibm.com
/support/pages/node/6474865
patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/196342
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2021-20431
- NVD CVE-2021-20431
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.