CVE-2021-39041 json
IBM QRadar SIEM 7.3, 7.4, and 7.5 may be vulnerable to partial denial of service attack, resulting in some protocols not listening to speci…
published 4y ago modified 4mo ago also EUVD-2021-25478
- cvss
- 3.7
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
IBM QRadar SIEM 7.3, 7.4, and 7.5 may be vulnerable to partial denial of service attack, resulting in some protocols not listening to specified ports. IBM X-Force ID: 214028.
Patch / fix
- ibm.com/support/pages/node/6602749 advisory
Is CVE-2021-39041 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
0.99% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 3.7 | CVSS:3.0/AC:H/C:N/AV:N/S:U/UI:N/A:L/PR:N/I:N/RL:O/E:U/RC:C |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| CNA | 3.0 | 3.7 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- IBM QRadar SIEM
References
-
ibm.com
/support/pages/node/6602749
patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/214028
vdb-entry
Sources
- CVE List CVE-2021-39041
- NVD CVE-2021-39041
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.