Security Bulletin: IBM MQ Appliance is affected by a denial of service vulnerability (CVE-2020-4870)

Security Bulletin

Summary

IBM MQ Appliance has resolved a denial of service vulnerability.

Vulnerability Details

CVEID: CVE-2020-4870
DESCRIPTION: IBM MQ is vulnerable to a denial of service attack caused by an error processing connecting applications.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/190833 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Affected Product(s)	Version(s)
IBM MQ Appliance	9.2 CD
IBM MQ Appliance	9.2 LTS

Remediation/Fixes

IBM MQ Appliance 9.2 as LTS

Upgrade to 9.2.0.1, or later maintenance

IBM MQ Appliance 9.2 as CD

Upgrade to 9.2.1, or later maintenance

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

08 Dec 2020: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Tips

Security Bulletin: IBM MQ Appliance is affected by a denial of service vulnerability (CVE-2020-4870)