CVE-2020-4938

Name: CVE-2020-4938
Creator: NVD / NIST
Published: 2021-07-12T16:15:08.503+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.40%

Last modified Jun 17, 2026

CVE-2020-4938 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. IBM MQ Appliance 9.1 and 9.2 is vulnerable to cross-site request forgery which could allow an attacker to execute malicious and unauthorized actions transmitted from a user that the website trusts. IBM X-Force ID: 191815.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

IBM MQ Appliance 9.1 and 9.2 is vulnerable to cross-site request forgery which could allow an attacker to execute malicious and unauthorized actions transmitted from a user that the website trusts. IBM X-Force ID: 191815.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.40%

31.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Ibm	Mq Appliance	>= 9.1, < 9.2.2
Ibm	Mq Appliance	>= 9.1.0.0, < 9.1.0.8
Ibm	Mq Appliance	>= 9.2.0.0, < 9.2.0.2

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/191815VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6466717Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/191815VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6466717Vendor Advisory

Timeline

Published: Jul 12, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-4938?

How severe is CVE-2020-4938?

CVE-2020-4938 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2020-4938?

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-2020-4938?

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

Scan your code now

Source: NVD / NIST