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CVE Record

CVE-2018-8029: In Apache Hadoop versions 3.0.0-alpha1 to 3.1.0, 2.9.0 to 2.9.1, and 2.2.0 to 2.8.4, a user who can escalat...

In Apache Hadoop versions 3.0.0-alpha1 to 3.1.0, 2.9.0 to 2.9.1, and 2.2.0 to 2.8.4, a user who can escalate to yarn user can possibly run arbitrary commands as root user.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2018-8029 is a privilege escalation issue in Apache Hadoop. In affected versions, someone who can become the Hadoop yarn user may be able to run commands as root. That makes compromised Hadoop service accounts much more serious, but the sources do not show broad remote exploitation or active abuse.

Executive priority

Treat this as high priority for Hadoop environments because successful abuse could turn a service-account compromise into root-level host control. Urgency depends on whether affected versions are present and whether users can reach yarn.

Technical view

Apache Hadoop 3.0.0-alpha1 through 3.1.0, 2.9.0 through 2.9.1, and 2.2.0 through 2.8.4 are listed as affected. The stated impact is possible arbitrary command execution as root after escalation to the yarn user. No CVSS, CWE, or exploit detail is provided in the source bundle.

Likely exposure

Exposure is most likely in organizations running the listed Hadoop versions, especially clusters where users, jobs, automation, or administrators can obtain the yarn account context. Downstream platforms bundling Hadoop should be checked against their vendor advisories.

Exploitation context

The prerequisite matters: sources describe exploitation by a user who can escalate to yarn, not unauthenticated internet access. KEV is false in the bundle, and no provided source supports active exploitation.

Researcher notes

Evidence is narrow but serious: the public description states root command execution after yarn escalation. The bundle lacks CVSS, technical root cause, exact fixed versions, and exploit status. Avoid assuming remote exploitability without additional vendor evidence.

Mitigation direction

  • Inventory Hadoop clusters and identify versions in the affected ranges.
  • Check Apache Hadoop and vendor advisories for fixed or supported replacement versions.
  • Prioritize upgrades for clusters handling sensitive data or multi-user workloads.
  • Restrict and monitor access paths that can reach the yarn account.
  • Review downstream vendor advisories where Hadoop is bundled or embedded.

Validation and detection

  • Confirm Hadoop version on every cluster and compare with affected ranges.
  • Review service-account controls for paths to the yarn user.
  • Check host logs for unusual privileged activity from Hadoop/YARN contexts.
  • Verify vendor guidance has been applied and documented.
  • Confirm unsupported Hadoop releases are removed from production dependencies.
Prepared
Confidence
medium
Sources
5

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

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CVE-2018-8029 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
8Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aApache HadoopApache Hadoop 3.0.0-alpha1 to 3.1.0, 2.9.0 to 2.9.1, 2.2.0 to 2.8.4Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.