CVE-2016-6811
CVE-2016-6811 is a high-severity vulnerability in Apache Hadoop with a CVSS 3.x base score of 8.8. 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-264.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 9.0
- EPSS exploit prediction: 3% (84th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-264
- Affected product: Apache Hadoop
- Published:
- Last modified:
Description
In Apache Hadoop 2.x before 2.7.4, a user who can escalate to yarn user can possibly run arbitrary commands as root user.
Frequently asked questions
- What is CVE-2016-6811?
- In Apache Hadoop 2.x before 2.7.4, a user who can escalate to yarn user can possibly run arbitrary commands as root user.
- How severe is CVE-2016-6811?
- CVE-2016-6811 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2016-6811 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-6811?
- CVE-2016-6811 affects Apache Hadoop. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2016-6811?
- 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-2016-6811 published?
- CVE-2016-6811 was published on 2017-04-11 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*
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