Security readout for executives and security teams
Plain-English summary
Cloudera CDH versions before 5.6.1 could let someone bypass authorization by calling internal APIs directly. For organizations running older CDH clusters, this creates a risk that protected functions or data paths may be accessed outside intended controls.
Executive priority
Prioritize if legacy Cloudera CDH remains in use. The issue affects authorization controls, but public severity and exploitation data are missing, so urgency depends on confirmed internal exposure.
Technical view
CVE-2016-3131 is an authorization bypass in Cloudera CDH before 5.6.1 involving direct calls to internal APIs. The public bundle does not provide CVSS, CWE, vulnerable component details, prerequisites, or request-level behavior.
Likely exposure
Exposure is most likely in organizations still operating Cloudera CDH earlier than 5.6.1, especially where internal API surfaces are reachable beyond tightly controlled administrative paths.
Exploitation context
The provided sources do not show CISA KEV listing or cited evidence of active exploitation. Public details are sparse, so exploitation maturity and real-world prevalence cannot be assessed from this bundle.
Researcher notes
The strongest sourced facts are product/version scope and bypass class. The bundle lacks CVSS, CWE, affected component names, exploit indicators, and detailed remediation text. Treat analysis beyond CDH before 5.6.1 as unsupported unless confirmed in vendor materials.
Mitigation direction
- Identify all Cloudera CDH deployments and versions.
- Upgrade affected CDH environments to 5.6.1 or later per Cloudera guidance.
- Check Cloudera Security Bulletin TSB-120 for exact vendor remediation instructions.
- Restrict access to CDH internal management/API surfaces where operationally possible.
- Review administrative access paths for unnecessary direct API reachability.
Validation and detection
- Confirm no production CDH cluster is below version 5.6.1.
- Map which networks and roles can reach CDH internal APIs.
- Review logs for unusual direct internal API access patterns.
- Document remediation evidence against Cloudera Security Bulletin TSB-120.
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.
Privilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2016-3131 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#tsb_120CVE 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.