CVE-2020-4320

MEDIUMCVSS 6.5/10EPSS 0.79%

Last modified

CVE-2020-4320 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.79% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
0.79%

51.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
IbmMq>= 8.0.0.0, < 8.0.0.15
IbmMq>= 9.0.0.0, < 9.0.0.10
IbmMq>= 9.1.0, < 9.1.5
IbmMq>= 9.1.0.0, < 9.1.0.5

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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. IBM X-Force ID: 177403.
How severe is CVE-2020-4320?
CVE-2020-4320 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.79% probability of exploitation in the next 30 days.
How do I fix CVE-2020-4320?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-4320?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST