CVE-2016-5393

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Summary

CVECVE-2016-5393
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-11-29 06:59:00 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionIn Apache Hadoop 2.6.x before 2.6.5 and 2.7.x before 2.7.3, a remote user who can authenticate with the HDFS NameNode can possibly run arbitrary commands with the same privileges as the HDFS service.

Risk And Classification

Primary CVSS: v3.0 8.8 HIGH from [email protected]

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.025850000 probability, percentile 0.856870000 (date 2026-05-10)

Problem Types: CWE-284 | arbitrary command execution

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary8.8HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary6.5AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:S/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Apache Hadoop 2.6.0 All All All
Application Apache Hadoop 2.6.1 All All All
Application Apache Hadoop 2.6.2 All All All
Application Apache Hadoop 2.6.3 All All All
Application Apache Hadoop 2.6.4 All All All
Application Apache Hadoop 2.7.0 All All All
Application Apache Hadoop 2.7.1 All All All
Application Apache Hadoop 2.7.2 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Apache Hadoop affected Apache Hadoop 2.6.x before 2.6.5, 2.7.x before 2.7.3 Not specified

References

ReferenceSourceLinkTags
CVE-2016-5393: Apache Hadoop Privilege escalation vulnerability af854a3a-2127-422b-91ae-364da2661108 mail-archives.apache.org Mailing List, Vendor Advisory
Apache Hadoop CVE-2016-5393 Remote Privilege Escalation Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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