How severe is CVE-2018-8042?

CVE-2018-8042 has a CVSS 3.x base score of 8.1, 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 high.

Is CVE-2018-8042 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-8042?

CVE-2018-8042 affects Apache Ambari. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-8042?

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-2018-8042 published?

CVE-2018-8042 was published on 2018-07-18 and last updated on 2026-06-17.

CVE-2018-8042

CVE-2018-8042 is a high-severity vulnerability in Apache Ambari with a CVSS 3.x base score of 8.1. 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-209.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 4.3
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-209
Affected product: Apache Ambari
Published: 2018-07-18
Last modified: 2026-06-17

Description

Apache Ambari, version 2.5.0 to 2.6.2, passwords for Hadoop credential stores are exposed in Ambari Agent informational log messages when the credential store feature is enabled for eligible services. For example, Hive and Oozie.

Frequently asked questions

What is CVE-2018-8042?: Apache Ambari, version 2.5.0 to 2.6.2, passwords for Hadoop credential stores are exposed in Ambari Agent informational log messages when the credential store feature is enabled for eligible services. For example, Hive and Oozie.
How severe is CVE-2018-8042?: CVE-2018-8042 has a CVSS 3.x base score of 8.1, 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 high.
Is CVE-2018-8042 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-8042?: CVE-2018-8042 affects Apache Ambari. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-8042?: 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-2018-8042 published?: CVE-2018-8042 was published on 2018-07-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:ambari:*:*:*:*:*:*:*:*

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