Medium severity · published Jun 16, 2020
CVE-2020-4320
IBM MQ Appliance and IBM MQ AMQP Channels 8.0, 9.0 LTS, 9.1 LTS, and 9.1 CD do not correctly block or allow clients based on the certificate distinguished name SSLPEER setting
6.5
CVSS
0.7%
EPSS
No
On KEV
Description
IBM MQ Appliance and IBM MQ AMQP Channels 8.0, 9.0 LTS, 9.1 LTS, and 9.1 CD do not correctly block or allow clients based on the certificate distinguished name SSLPEER setting. IBM X-Force ID: 177403.
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)0.7% · higher than 54% 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
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-4320
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-4320
VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/177403
Vendor Advisory
https://www.ibm.com/support/pages/node/5736885
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