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01 Record

CVE-2018-11766

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.

UnratedPUBLISHEDCNA: apache
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

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.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
3.24% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 88.2% of scored records. A rank, not a probability.
NVD base score
8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2018-11-27 14:00Z7 YR AGO
Last updated
2024-08-05 08:17Z2 YR AGO
Reserved
2018-06-05
Assigning CNA
apache
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
95a6641ecf133c9374c3bf6d32aad4092936bad97233e11f160e0e68b9e861e8

05 Affected products

VendorProductVersionsPlatforms
Apache Software FoundationApache HadoopApache Hadoop 2.7.4 to 2.7.6—

06 References