High severity · published Jun 16, 2020
CVE-2020-4310
IBM MQ and MQ Appliance 7.1, 7.5, 8.0, 9.0 LTS, 9.1 LTS, and 9.1 C are vulnerable to a denial of service attack due to an error within the Data Conversion logic
7.5
CVSS
1.6%
EPSS
No
On KEV
Description
IBM MQ and MQ Appliance 7.1, 7.5, 8.0, 9.0 LTS, 9.1 LTS, and 9.1 C are vulnerable to a denial of service attack due to an error within the Data Conversion logic. IBM X-Force ID: 177081.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MQ
MQ · Ibm
8.0.0.0 before 8.0.0.15; 9.0.0.0 before 9.0.0.10; 9.1.0 before 9.1.5; 9.1.0.0 before 9.1.0.5 · source: NVD
WM
Websphere MQ · Ibm
7.1; 7.5 · source: NVD
Affected product
MQ
MQ
Ibm
More from MQ
9.8
CVE-2026-10027
IBM MQ queue manager is vulnerable to unauthenticated remote code execution
9.8
CVE-2026-12351
IBM MQ is vulnerable to unauthenticated remote code execution via JNDI injection
9.8
CVE-2020-4682
IBM MQ 7.5, 8.0, 9.0, 9.1, 9.2 LTS, and 9.2 CD could allow a remote attacker to execute arbitrary code on the system, caused by an unsafe deserialization of trusted data
9.1
CVE-2022-22489
IBM MQ 8.0, (9.0, 9.1, 9.2 LTS), and (9.1 and 9.2 CD) are vulnerable to an XML External Entity Injection (XXE) attack when processing XML data
8.8
CVE-2026-11725
IBM MQ queue manager is vulnerable to privilege escalation