CVE-2021-39034

Name: CVE-2021-39034
Creator: NVD / NIST
Published: 2022-02-17T17:15:09.323+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.16%

Last modified Jun 17, 2026

CVE-2021-39034 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. IBM MQ 9.1 LTS is vulnerable to a denial of service attack caused by an issue within the channel process. IBM X-Force ID: 213964.. EPSS estimates a 1.16% chance of exploitation in the next 30 days.

Description

IBM MQ 9.1 LTS is vulnerable to a denial of service attack caused by an issue within the channel process. IBM X-Force ID: 213964.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.16%

63.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Ibm	Mq	>= 9.1.0.0, <= 9.1.0.9

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/213964VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6556466Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/213964VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6556466Vendor Advisory

Timeline

Published: Feb 17, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-39034?

IBM MQ 9.1 LTS is vulnerable to a denial of service attack caused by an issue within the channel process. IBM X-Force ID: 213964.

How severe is CVE-2021-39034?

CVE-2021-39034 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.16% probability of exploitation in the next 30 days.

How do I fix CVE-2021-39034?

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-2021-39034?

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

Scan your code now

Source: NVD / NIST