How severe is CVE-2019-4568?

CVE-2019-4568 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-4568 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4568?

CVE-2019-4568 primarily affects Ibm 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-2019-4568?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-4568 published?

CVE-2019-4568 was published on 2020-01-28 and last updated on 2026-06-17.

CVE-2019-4568

CVE-2019-4568 is a medium-severity vulnerability in Ibm Mq with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Mq
Published: 2020-01-28
Last modified: 2026-06-17

Description

IBM MQ and IBM MQ Appliance 8.0 and 9.0 LTS could allow a remote attacker with intimate knowledge of the server to cause a denial of service when receiving data on the channel. IBM X-Force ID: 166629.

Frequently asked questions

What is CVE-2019-4568?: IBM MQ and IBM MQ Appliance 8.0 and 9.0 LTS could allow a remote attacker with intimate knowledge of the server to cause a denial of service when receiving data on the channel. IBM X-Force ID: 166629.
How severe is CVE-2019-4568?: CVE-2019-4568 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-4568 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4568?: CVE-2019-4568 primarily affects Ibm 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-2019-4568?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-4568 published?: CVE-2019-4568 was published on 2020-01-28 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:ibm:mq:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:*
cpe:2.3:a:ibm:mq_appliance:*:*:*:*:*:*:*:*

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