Security readout for executives and security teams
Plain-English summary
This issue affects Cloudera CDH before 5.7.1. In Impala, an administrator's REVOKE ALL ON SERVER action may not remove every privilege, leaving access in place after revocation. The business risk is stale or unintended access to Impala-managed data.
Executive priority
Prioritize based on data sensitivity and whether affected CDH Impala systems are still in use. This is not evidenced as actively exploited, but it can undermine access removal controls.
Technical view
CVE-2016-4572 is an authorization revocation flaw in Cloudera CDH Impala before 5.7.1. The documented command REVOKE ALL ON SERVER does not revoke all privileges, so privilege state may remain broader than intended. The source bundle provides no CVSS, CWE, or exploit details.
Likely exposure
Exposure is likely limited to organizations running Cloudera CDH Impala versions earlier than 5.7.1 and relying on server-level privilege revocation for access removal.
Exploitation context
The provided sources do not state active exploitation, and the CVE is not listed as KEV in the bundle. Treat this as an access-control correctness issue until vendor evidence says otherwise.
Researcher notes
The public record is sparse: affected product/version and behavior are clear, but severity, root cause, CVSS, and exploitation evidence are not provided. Avoid assuming broader Hadoop, Hive, or Cloudera product impact without vendor confirmation.
Mitigation direction
- Upgrade affected CDH deployments to 5.7.1 or a later supported fixed release.
- Review Cloudera security bulletin guidance for version-specific remediation details.
- Audit Impala privileges after revocation actions in affected environments.
- Prioritize remediation where Impala protects sensitive or regulated datasets.
Validation and detection
- Identify all CDH clusters and their installed versions.
- Confirm whether Impala is enabled on any version before 5.7.1.
- Review privilege grants after prior REVOKE ALL ON SERVER actions.
- Check access-control records for users expected to have no server privileges.
Public sources used
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
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.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2016-4572 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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
- https://docs.cloudera.com/documentation/other/security-bulletins/topics/Security-Bulletin.html#id_nd4_xkr_1cbCVE reference · x_refsource_MISC
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.