Security readout for executives and security teams
This issue exposes a BigSheets password in clear text on affected Apache Ambari and IBM BigInsights systems. The main risk is insider or compromised local-account access, not a confirmed remote attack path. Treat it as credential exposure requiring inventory, vendor guidance, access review, and password rotation after remediation. Exposure is most likely on legacy Hadoop/BigInsights deployments using Apache Ambari before 2.1 or IBM Infosphere BigInsights 4.x before 4.1. Systems without local untrusted users are lower risk, but compromised local accounts could still harvest the credential. Prioritize remediation for legacy analytics clusters with shared local access, broad administrator groups, or exposed service accounts. This is not shown as actively exploited, but cleartext password exposure can turn a local foothold into broader data or platform access. Mitigation focus: Inventory Ambari and IBM BigInsights versions across Hadoop environments.; Check IBM and Apache guidance for upgrade paths to non-affected versions.; Restrict local OS access to trusted administrators only..
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
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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-2015-4940 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
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.