Medium severity · published Mar 16, 2020
CVE-2019-4656
IBM MQ and IBM MQ Appliance 7.1, 7.5, 8.0, 9.0 LTS, 9.1 LTS, and 9.1 CD is vulnerable to a denial of service attack that would allow an authenticated user to crash the queue and…
6.5
CVSS
1.4%
EPSS
No
On KEV
Description
IBM MQ and IBM MQ Appliance 7.1, 7.5, 8.0, 9.0 LTS, 9.1 LTS, and 9.1 CD is vulnerable to a denial of service attack that would allow an authenticated user to crash the queue and require a restart due to an error processing error messages. IBM X-Force ID: 170967.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 73% 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 8.0.0.14; 9.0.0.0 through 9.0.0.9; 9.1.0 before 9.1.4; 9.1.0.0 before 9.1.0.4 · source: NVD
MA
MQ Appliance · Ibm
8.0.0.0 before 8.0.0.14 · source: NVD
WM
Websphere MQ · Ibm
7.1.0.0 through 7.5.0.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-4656
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-4656
VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/170967
Vendor Advisory
https://www.ibm.com/support/pages/node/1135095
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