How severe is CVE-2018-11775?

CVE-2018-11775 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2018-11775 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11775?

CVE-2018-11775 primarily affects Apache Activemq. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-11775?

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-2018-11775 published?

CVE-2018-11775 was published on 2018-09-10 and last updated on 2026-06-17.

CVE-2018-11775

CVE-2018-11775 is a high-severity vulnerability in Apache Activemq with a CVSS 3.x base score of 7.4. 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-295.

Key facts

Severity: High (CVSS 3.x base score 7.4)
CVSS v2: 5.8
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Apache Activemq
Published: 2018-09-10
Last modified: 2026-06-17

Description

TLS hostname verification when using the Apache ActiveMQ Client before 5.15.6 was missing which could make the client vulnerable to a MITM attack between a Java application using the ActiveMQ client and the ActiveMQ server. This is now enabled by default.

Frequently asked questions

What is CVE-2018-11775?: TLS hostname verification when using the Apache ActiveMQ Client before 5.15.6 was missing which could make the client vulnerable to a MITM attack between a Java application using the ActiveMQ client and the ActiveMQ server. This is now enabled by default.
How severe is CVE-2018-11775?: CVE-2018-11775 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2018-11775 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11775?: CVE-2018-11775 primarily affects Apache Activemq. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-11775?: 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-2018-11775 published?: CVE-2018-11775 was published on 2018-09-10 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:enterprise_repository:12.1.3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:flexcube_private_banking:2.0.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:flexcube_private_banking:2.2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:flexcube_private_banking:12.0.1.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:flexcube_private_banking:12.0.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:flexcube_private_banking:12.1.0.0:*:*:*:*:*:*:*

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