Security readout for executives and security teams
Plain-English summary
Cisco HyperFlex HX-Series systems may retain installation files that are readable by authenticated local users. Those leftovers can expose sensitive configuration information. This is not a remote break-in by itself, but it can worsen an insider, compromised account, or post-intrusion situation.
Executive priority
Prioritize this in environments where HyperFlex hosts sensitive workloads or many administrators have local access. It is less urgent than remotely exploitable critical flaws, but exposed configuration data can support later compromise.
Technical view
CVE-2018-15407 is a CWE-200 information disclosure issue in Cisco HyperFlex Software installation cleanup. Residual installation files may remain accessible on affected systems, allowing an authenticated local attacker to read sensitive system configuration details. The source bundle does not provide CVSS, affected version ranges, or fixed release details.
Likely exposure
Exposure is most relevant where Cisco HyperFlex HX-Series is deployed and local authenticated access exists. Systems with broad administrator, support, or shell access have higher practical risk. The provided sources do not identify exact affected versions.
Exploitation context
The provided sources describe authenticated local access to residual installation files. They do not indicate remote unauthenticated exploitation, public exploitation, or KEV listing. Treat this mainly as a privilege-context and information disclosure risk.
Researcher notes
Evidence is limited to the CVE description and Cisco advisory reference. Key missing details include affected version ranges, fixed releases, file locations, and CVSS. Avoid assuming exploit maturity or patch availability beyond Cisco’s published guidance.
Mitigation direction
- Review Cisco’s advisory for affected releases and vendor remediation guidance.
- Restrict local access to HyperFlex systems to necessary administrators only.
- Remove or secure residual installation files according to vendor guidance.
- Rotate exposed credentials or secrets if sensitive configuration data was readable.
Validation and detection
- Inventory Cisco HyperFlex HX-Series deployments in your environment.
- Check installed HyperFlex Software versions against Cisco’s advisory.
- Review local account access and administrative group membership.
- Assess whether residual installation artifacts remain readable by nonessential local users.
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.
CWE-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2018-15407 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
- 20181003 Cisco HyperFlex World-Readable Sensitive Information VulnerabilityCVE reference · vendor-advisory, x_refsource_CISCO
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.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.