CVE-2021-20393 json
IBM QRadar User Behavior Analytics 1.0.0 through 4.1.0 could allow a remote attacker to obtain sensitive information when a detailed techni…
published 2021-05-14 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-7811
- cvss
- 5.3
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
IBM QRadar User Behavior Analytics 1.0.0 through 4.1.0 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. This information could be used in further attacks against the system. IBM X-Force ID: 196001.
Patch / fix
- ibm qradar_user_behavior_analytics 4.1.1
Exploit prediction
1.44% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 5.3 | CVSS:3.0/AV:N/C:L/A:N/S:U/PR:N/I:N/AC:L/UI:N/RC:C/RL:O/E:U |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.0 | 5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- IBM QRadar SIEM
Classification
- Weakness
-
- CWE-209 Generation of Error Message Containing Sensitive Information
References
-
ibm.com
/support/pages/node/6453109
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/196001
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2021-20393
- NVD CVE-2021-20393
Fencer Vulns 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.