CVE-2021-29843 json
IBM MQ 9.1 LTS, 9.1 CD, 9.2 LTS, and 9.2CD is vulnerable to a denial of service attack caused by an issue processing message properties.
published 2021-11-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-16317
- cvss
- 5.3
- 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 MQ 9.1 LTS, 9.1 CD, 9.2 LTS, and 9.2CD is vulnerable to a denial of service attack caused by an issue processing message properties. IBM X-Force ID: 205203.
Patch / fix
- ibm mq_appliance 9.1.0.9, 9.2.0.3, 9.2.3
Exploit prediction
0.94% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 5.3 | CVSS:3.0/I:N/C:N/AC:H/S:U/A:H/UI:N/PR:L/AV:N/RC:C/RL:O/E:U |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.0 | 5.3 | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P |
Affected products
- IBM MQ Appliance
References
-
ibm.com
/support/pages/node/6513681
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/205203
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2021-29843
- NVD CVE-2021-29843
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