CVE-2021-20411 json
IBM Security Verify Information Queue 1.0.6 and 1.0.7 could allow a user to impersonate another user on the system due to incorrectly updat…
published 5y ago modified 4mo ago also EUVD-2021-7829
- cvss
- 7.5
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 39%
- public exploits
- 0
- none known
Summary
IBM Security Verify Information Queue 1.0.6 and 1.0.7 could allow a user to impersonate another user on the system due to incorrectly updating the session identifier. IBM X-Force ID: 198191.
Patch / fix
- ibm.com/support/pages/node/6414777 advisory
Is CVE-2021-20411 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
0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 7.5 | CVSS:3.0/S:C/AV:A/PR:N/C:H/UI:R/I:H/A:N/AC:H/E:U/RL:O/RC:C |
| NVD | 3.1 | 8.1 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| CNA | 3.0 | 7.5 | CVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N |
| NVD | 2.0 | 4.8 | AV:A/AC:L/Au:N/C:P/I:P/A:N |
Affected products
- IBM Security Verify Information Queue
Classification
- Weakness
-
- CWE-669 Incorrect Resource Transfer Between Spheres
References
-
ibm.com
/support/pages/node/6414777
patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/196191
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2021-20411
- NVD CVE-2021-20411
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.