CVE-2016-4976 — ambari
MEDIUMCVE-2016-4976 is a medium-severity (CVSS 5.5) Information Exposure vulnerability in org.apache.ambari:ambari. A fix is available for org.apache.ambari:ambari — see the affected versions and patch details below.
Apache Ambari reveals administrator passwords
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
How urgent is this, really
Where this sits among everything scored
Real-World Exposure
org.apache.ambari:ambariReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.
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.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| ☕Maven | org.apache.ambari:ambari | ≥ 2.0.0&&< 2.4.0 | 2.4.0org.apache.ambari:ambari:2.4.0 |
Affected Products
ambariapacheDetection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.apache.ambari:ambari, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update org.apache.ambari:ambari to 2.4.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2016-4976 is resolved across your whole dependency graph.
Workarounds
Assume what was exposed is already known: rotate any credential, token or key that the affected component could return, restrict the endpoint to callers that genuinely need it, and strip sensitive fields from responses and error output at the boundary rather than relying on the client not to read them.
Frequently Asked Questions
Is CVE-2016-4976 in your dependencies?
Find it across Maven, including transitive dependencies.