How severe is CVE-2025-27391?

CVE-2025-27391 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-27391 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-27391?

CVE-2025-27391 affects Apache Artemis. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-27391?

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

Does CVE-2025-27391 have an EU (EUVD) identifier?

Yes. CVE-2025-27391 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10665.

When was CVE-2025-27391 published?

CVE-2025-27391 was published on 2025-04-09 and last updated on 2026-06-17.

CVE-2025-27391

CVE-2025-27391 is a medium-severity vulnerability in Apache Artemis with a CVSS 3.x base score of 6.5. 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-532.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 6.8
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-10665
Weakness: CWE-532
Affected product: Apache Artemis
Published: 2025-04-09
Last modified: 2026-06-17

Description

Insertion of Sensitive Information into Log File vulnerability in Apache ActiveMQ Artemis. All the values of the broker properties are logged when the org.apache.activemq.artemis.core.config.impl.ConfigurationImpl logger has the debug level enabled. This issue affects Apache ActiveMQ Artemis: from 1.5.1 before 2.40.0. It can be mitigated by restricting log access to only trusted users. Users are recommended to upgrade to version 2.40.0, which fixes the issue.

Frequently asked questions

What is CVE-2025-27391?: Insertion of Sensitive Information into Log File vulnerability in Apache ActiveMQ Artemis. All the values of the broker properties are logged when the org.apache.activemq.artemis.core.config.impl.ConfigurationImpl logger has the debug level enabled. This issue affects Apache ActiveMQ Artemis: from 1.5.1 before 2.40.0. It can be mitigated by restricting log access to only trusted users. Users are recommended to upgrade to version 2.40.0, which fixes the issue.
How severe is CVE-2025-27391?: CVE-2025-27391 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-27391 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-27391?: CVE-2025-27391 affects Apache Artemis. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-27391?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-27391 have an EU (EUVD) identifier?: Yes. CVE-2025-27391 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10665.
When was CVE-2025-27391 published?: CVE-2025-27391 was published on 2025-04-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:artemis:*:*:*:*:*:*:*:*

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