CVE-2020-4931
IBM MQ 9.1 LTS, 9.2 LTS, and 9.1 CD AMQP Channels could allow an authenticated user to cause a...
IBM MQ 9.1 LTS, 9.2 LTS, and 9.1 CD AMQP Channels could allow an authenticated user to cause a denial of service due to an issue processing messages. IBM X-Force ID: 191747.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- 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, 9.2 LTS, and 9.1 CD AMQP Channels could allow an authenticated user to cause a denial of service due to an issue processing messages. IBM X-Force ID: 191747.
- Record
CVE-2020-4931- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/S:U/UI:N/A:H/C:N/PR:L/I:N/AC:L/RL:O/RC:C/E:U - Updated
- 2026-11-02
EUVDEUVD-2020-26178
IBM MQ 9.1 LTS, 9.2 LTS, and 9.1 CD AMQP Channels could allow an authenticated user to cause a denial of service due to an issue processing messages. IBM X-Force ID: 191747.
- Record
EUVD-2020-26178- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/S:U/UI:N/A:H/C:N/PR:L/I:N/AC:L/RL:O/RC:C/E:U - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xjvm-vf2p-w3rhNo score
IBM MQ 9.1 LTS, 9.2 LTS, and 9.1 CD AMQP Channels could allow an authenticated user to cause a...
IBM MQ 9.1 LTS, 9.2 LTS, and 9.1 CD AMQP Channels could allow an authenticated user to cause a denial of service due to an issue processing messages. IBM X-Force ID: 191747.
- Record
GHSA-xjvm-vf2p-w3rh- Updated
- 2026-11-02
NVD
IBM MQ 9.1 LTS, 9.2 LTS, and 9.1 CD AMQP Channels could allow an authenticated user to cause a denial of service due to an issue processing messages. IBM X-Force ID: 191747.
- Record
CVE-2020-4931- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:N/A:P - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| 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-2020-4931 is a medium vulnerability (CVSS 6.5) in Ibm Mq, published February 24, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.22%, the 69th percentile. No source names a fixed version.