Vulnerability · Published Jun 16, 2020 · Assigned by ibm

CVE-2020-4320

Medium 5.3

In plain English

A medium-severity security flaw in MQ from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).

Severity (CVSS 3.0)5.3Medium

Exploit odds (30 days)0.7%top 45.8% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
IBM	MQ	8.09.0.LTS9.1.LTS9.1.CD

References

https://www.ibm.com/support/pages/node/5736885 x_refsource_CONFIRM
ibm-mq-cve20204320-dos (177403) vdb-entry, x_refsource_XF