Security readout for executives and security teams
CVE-2016-5001 is an Apache Hadoop HDFS information disclosure issue. In affected versions, a local user on a DataNode could potentially create a block token that allows unauthorized reads of random files. The public record does not provide CVSS scoring or evidence of active exploitation. Organizations running affected Hadoop versions with HDFS short-circuit reads and local user access on DataNodes are the relevant exposure group. Systems on Hadoop 2.6.4, 2.7.2, or later are not listed as affected in the provided sources. Treat this as a targeted data-confidentiality risk for legacy Hadoop clusters. It is not supported here as internet-scale or actively exploited, but affected multi-user DataNodes could expose sensitive HDFS data to local users. Mitigation focus: Upgrade Apache Hadoop to 2.6.4, 2.7.2, or a later supported release.; Restrict local DataNode access to trusted administrators and service accounts.; Review Apache Hadoop security guidance before changing short-circuit read settings..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2016-5001 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- [flink-user] 20210703 Re: owasp-dependency-check is flagging flink 1.13 for scala 2.12.7CVE reference · mailing-list, x_refsource_MLIST
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.