CVE-2021-39034
IBM MQ 9.1 LTS is vulnerable to a denial of service attack caused by an issue within the channel...
IBM MQ 9.1 LTS is vulnerable to a denial of service attack caused by an issue within the channel process. IBM X-Force ID: 213964.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- 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 9.1 LTS is vulnerable to a denial of service attack caused by an issue within the channel process. IBM X-Force ID: 213964.
- Record
CVE-2021-39034- CVSS 3.0
- 5.3 Medium
CVSS:3.0/S:U/C:N/AC:H/PR:L/I:N/A:H/UI:N/AV:N/RC:C/E:U/RL:O - Updated
- 2026-11-02
EUVDEUVD-2021-25471
IBM MQ 9.1 LTS is vulnerable to a denial of service attack caused by an issue within the channel process. IBM X-Force ID: 213964.
- Record
EUVD-2021-25471- CVSS 3.0
- 5.3 Medium
CVSS:3.0/S:U/C:N/AC:H/PR:L/I:N/A:H/UI:N/AV:N/RC:C/E:U/RL:O - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hp4f-cj7x-h6mc No score
IBM MQ 9.1 LTS is vulnerable to a denial of service attack caused by an issue within the channel...
IBM MQ 9.1 LTS is vulnerable to a denial of service attack caused by an issue within the channel process. IBM X-Force ID: 213964.
- Record
GHSA-hp4f-cj7x-h6mc- Updated
- 2026-11-02
NVD
IBM MQ 9.1 LTS is vulnerable to a denial of service attack caused by an issue within the channel process. IBM X-Force ID: 213964.
- Record
CVE-2021-39034- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/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-2021-39034 is a medium vulnerability (CVSS 5.3) in Ibm Mq, published February 17, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.04%, the 64th percentile. No source names a fixed version.