How severe is CVE-2023-28513?

CVE-2023-28513 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-2023-28513 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28513?

CVE-2023-28513 primarily affects Ibm Mq. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-28513?

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

When was CVE-2023-28513 published?

CVE-2023-28513 was published on 2023-07-19 and last updated on 2026-06-17.

CVE-2023-28513

CVE-2023-28513 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. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Ibm Mq
Published: 2023-07-19
Last modified: 2026-06-17

Description

IBM MQ 9.0 LTS, 9.1 LTS, 9.2 LTS, 9.3 LTS, 9.2 CD, and 9.3 CD and IBM MQ Appliance 9.2 LTS, 9.3 LTS, 9.2 CD, and 9.2 LTS, under certain configurations, is vulnerable to a denial of service attack caused by an error processing messages. IBM X-Force ID: 250397.

Frequently asked questions

What is CVE-2023-28513?: IBM MQ 9.0 LTS, 9.1 LTS, 9.2 LTS, 9.3 LTS, 9.2 CD, and 9.3 CD and IBM MQ Appliance 9.2 LTS, 9.3 LTS, 9.2 CD, and 9.2 LTS, under certain configurations, is vulnerable to a denial of service attack caused by an error processing messages. IBM X-Force ID: 250397.
How severe is CVE-2023-28513?: CVE-2023-28513 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-2023-28513 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28513?: CVE-2023-28513 primarily affects Ibm Mq. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-28513?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-28513 published?: CVE-2023-28513 was published on 2023-07-19 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:a:ibm:mq:9.0.0.0:*:*:*:lts:*:*:*
cpe:2.3:a:ibm:mq:9.1.0.0:*:*:*:lts:*:*:*
cpe:2.3:a:ibm:mq:9.2.0:*:*:*:continuous_delivery:*:*:*
cpe:2.3:a:ibm:mq:9.2.0:*:*:*:lts:*:*:*
cpe:2.3:a:ibm:mq:9.3.0:*:*:*:continuous_delivery:*:*:*
cpe:2.3:a:ibm:mq:9.3.0:*:*:*:lts:*:*:*
cpe:2.3:a:ibm:mq_appliance:9.2.0.0:*:*:*:continuous_delivery:*:*:*
cpe:2.3:a:ibm:mq_appliance:9.2.0.0:*:*:*:lts:*:*:*
cpe:2.3:a:ibm:mq_appliance:9.3.0.0:*:*:*:continuous_delivery:*:*:*
cpe:2.3:a:ibm:mq_appliance:9.3.0.0:*:*:*:lts:*:*:*

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