CVE-2021-38958 json
IBM MQ Appliance 9.2 CD and 9.2 LTS is affected by a denial of service attack caused by a concurrency issue.
published 2021-11-30 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-25395
- cvss
- 5.1
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 12%
- public exploits
- 0
- none known
Summary
IBM MQ Appliance 9.2 CD and 9.2 LTS is affected by a denial of service attack caused by a concurrency issue. IBM X-Force ID: 212042
Patch / fix
- ibm.com/support/pages/node/6519420 advisory
Exploit prediction
0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 5.1 | CVSS:3.0/S:U/UI:N/A:H/I:N/C:N/AV:L/PR:N/AC:H/RC:C/E:U/RL:O |
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.0 | 5.1 | CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- IBM MQ Appliance
References
-
ibm.com
/support/pages/node/6519420
patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/212043
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2021-38958
- NVD CVE-2021-38958
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.