In Apache Hadoop 2.7.4 to 2.7.6, the security fix for CVE-2016-6811 is incomplete. A user who can escalate to yarn user can possibly run arbitrary commands as root user.
CVE-2018-11766
HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence
This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 0.5%, top 34% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: epss, nvd
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 3%CVSS: 8.8Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.8
- EG Score
- 8.8(medium)
- EPSS
- 86.8%
- KEV
- Not listed
Published
November 27, 2018
Last Modified
November 21, 2024
References (4)
- security@apachehttp://www.securityfocus.com/bid/106035
- security@apachehttps://lists.apache.org/thread.html/ff37bbbe09d5f03090e2dd2c3dea95de16ef4249e731f19b8959ce4c%40%3Cgeneral.hadoop.apache.org%3E
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/106035
- af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/ff37bbbe09d5f03090e2dd2c3dea95de16ef4249e731f19b8959ce4c%40%3Cgeneral.hadoop.apache.org%3E
Affected Packages
(1 across 1 ecosystem)
Maven(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| org.apache.hadoop:hadoop-main | 2.7.4, 2.7.5, 2.7.6 | 2.7.7 | — |
Frequently asked(5)
What is CVE-2018-11766?
CVE-2018-11766 is a high vulnerability published on November 27, 2018. In Apache Hadoop 2.7.4 to 2.7.6, the security fix for CVE-2016-6811 is incomplete. A user who can escalate to yarn user can possibly run arbitrary commands as root user.
When was CVE-2018-11766 disclosed?
CVE-2018-11766 was first published in the National Vulnerability Database on November 27, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-11766 actively exploited?
CVE-2018-11766 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 86.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-11766?
CVE-2018-11766 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2018-11766?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-11766, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-11766
Is Your Infrastructure Affected by CVE-2018-11766?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.