How severe is CVE-2023-45177?

CVE-2023-45177 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-45177 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-45177?

CVE-2023-45177 primarily affects Ibm Mq. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-45177?

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

Does CVE-2023-45177 have an EU (EUVD) identifier?

Yes. CVE-2023-45177 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-49484.

When was CVE-2023-45177 published?

CVE-2023-45177 was published on 2024-03-20 and last updated on 2026-06-17.

CVE-2023-45177

CVE-2023-45177 is a medium-severity vulnerability in Ibm Mq with a CVSS 3.x base score of 5.3. 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 5.3)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-49484
Weakness: CWE-20
Affected product: Ibm Mq
Published: 2024-03-20
Last modified: 2026-06-17

Description

IBM MQ 9.0 LTS, 9.1 LTS, 9.2 LTS, 9.3 LTS and 9.3 CD is vulnerable to a denial-of-service attack due to an error within the MQ clustering logic. IBM X-Force ID: 268066.

Frequently asked questions

What is CVE-2023-45177?: IBM MQ 9.0 LTS, 9.1 LTS, 9.2 LTS, 9.3 LTS and 9.3 CD is vulnerable to a denial-of-service attack due to an error within the MQ clustering logic. IBM X-Force ID: 268066.
How severe is CVE-2023-45177?: CVE-2023-45177 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-45177 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-45177?: CVE-2023-45177 primarily affects Ibm Mq. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-45177?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-45177 have an EU (EUVD) identifier?: Yes. CVE-2023-45177 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-49484.
When was CVE-2023-45177 published?: CVE-2023-45177 was published on 2024-03-20 and last updated on 2026-06-17.

References

Affected products (2)

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

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