How severe is CVE-2019-4078?

CVE-2019-4078 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-4078 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4078?

CVE-2019-4078 primarily affects Ibm Websphere Mq. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-4078?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-4078 published?

CVE-2019-4078 was published on 2019-05-23 and last updated on 2026-06-17.

CVE-2019-4078

CVE-2019-4078 is a high-severity vulnerability in Ibm Websphere Mq with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Ibm Websphere Mq
Published: 2019-05-23
Last modified: 2026-06-17

Description

IBM WebSphere MQ 8.0.0.0 through 8.0.0.9 and 9.0.0.0 through 9.1.1 could allow a local non privileged user to execute code as an administrator due to incorrect permissions set on MQ installation directories. IBM X-Force ID: 157190.

Frequently asked questions

What is CVE-2019-4078?: IBM WebSphere MQ 8.0.0.0 through 8.0.0.9 and 9.0.0.0 through 9.1.1 could allow a local non privileged user to execute code as an administrator due to incorrect permissions set on MQ installation directories. IBM X-Force ID: 157190.
How severe is CVE-2019-4078?: CVE-2019-4078 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-4078 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4078?: CVE-2019-4078 primarily affects Ibm Websphere Mq. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-4078?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-4078 published?: CVE-2019-4078 was published on 2019-05-23 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:ibm:websphere_mq:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_mq:*:*:*:*:lts:*:*:*
cpe:2.3:a:ibm:websphere_mq:9.1.1:*:*:*:continuous_delivery:*:*:*

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