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Vulnerability record · CVE-2019-4620 · published 28 January 2020

CVE-2019-4620: Ibm mq appliance improper input validation vulnerability

Ibm · Mq Appliance

IBM MQ Appliance 8.0 and 9.0 LTS could allow a local attacker to bypass security restrictions caused by improper validation of environment variables. IBM X-Force ID: 168863.

7.8 CVSS 3.1 High EPSS 0.35% · top 73.5% CWE-20 · Improper input validation
7.8CVSS 3.1 base score, v2 4.6
0.35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

IBM MQ Appliance 8.0 and 9.0 LTS could allow a local attacker to bypass security restrictions caused by improper validation of environment variables. IBM X-Force ID: 168863.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://exchange.xforce.ibmcloud.com/vulnerabilities/168863 VDB EntryVendor Advisory
https://www.ibm.com/support/pages/node/1125891 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/168863 VDB EntryVendor Advisory
https://www.ibm.com/support/pages/node/1125891 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-4620), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.