How severe is CVE-2016-4976?

CVE-2016-4976 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2016-4976 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4976?

CVE-2016-4976 primarily affects Apache Ambari. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-4976?

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

When was CVE-2016-4976 published?

CVE-2016-4976 was published on 2017-03-29 and last updated on 2026-06-17.

CVE-2016-4976

CVE-2016-4976 is a medium-severity vulnerability in Apache Ambari with a CVSS 3.x base score of 5.5. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Apache Ambari
Published: 2017-03-29
Last modified: 2026-06-17

Description

Apache Ambari 2.x before 2.4.0 includes KDC administrator passwords on the kadmin command line, which allows local users to obtain sensitive information via a process listing.

Frequently asked questions

What is CVE-2016-4976?: Apache Ambari 2.x before 2.4.0 includes KDC administrator passwords on the kadmin command line, which allows local users to obtain sensitive information via a process listing.
How severe is CVE-2016-4976?: CVE-2016-4976 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2016-4976 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4976?: CVE-2016-4976 primarily affects Apache Ambari. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-4976?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-4976 published?: CVE-2016-4976 was published on 2017-03-29 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:a:apache:ambari:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:ambari:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:ambari:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:apache:ambari:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:ambari:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:ambari:2.1.2:*:*:*:*:*:*:*
cpe:2.3:a:apache:ambari:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:ambari:2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:ambari:2.2.2:*:*:*:*:*:*:*

More vulnerabilities in Apache Ambari

CVE-2017-5642 — Critical (CVSS 9.8): During installation of Ambari 2.4.0 through 2.4.2, Ambari Server artifacts are not created with proper ACLs.
CVE-2014-3582 — Critical (CVSS 9.8): In Ambari 1.2.0 through 2.2.2, it may be possible to execute arbitrary system commands on the Ambari Server host while…
CVE-2016-6807 — Critical (CVSS 9.8): Custom commands may be executed on Ambari Agent (2.4.x, before 2.4.2) hosts without authorization, leading to…
CVE-2025-23196 — High (CVSS 8.8): A code injection vulnerability exists in the Ambari Alert Definition feature, allowing authenticated users to inject…
CVE-2024-51941 — High (CVSS 8.8): A remote code injection vulnerability exists in the Ambari Metrics and AMS Alerts feature, allowing authenticated…
CVE-2023-50379 — High (CVSS 8.8): Malicious code injection in Apache Ambari in prior to 2.7.8. Users are recommended to upgrade to version 2.7.8, which…

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