CVE-2021-38958
IBM MQ Appliance 9.2 CD and 9.2 LTS is affected by a denial of service attack caused by a...
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
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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
- Record
CVE-2021-38958- CVSS 3.0
- 5.1 Medium
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 - Updated
- 2026-11-02
EUVDEUVD-2021-25395
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
- Record
EUVD-2021-25395- CVSS 3.0
- 5.1 Medium
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 - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4gcr-hp5v-7hfv No score
IBM MQ Appliance 9.2 CD and 9.2 LTS is affected by a denial of service attack caused by a...
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
- Record
GHSA-4gcr-hp5v-7hfv- Updated
- 2026-11-02
NVD
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
- Record
CVE-2021-38958- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 5.1 Medium
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-38958 is a medium vulnerability (CVSS 5.1) in Ibm Mq Appliance, published November 30, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 12th percentile. No source names a fixed version.