Security readout for executives and security teams
Cisco HyperFlex systems used a shared static signing key. If an attacker obtained that key from one HyperFlex system, they could create valid session tokens for another system and access its Web UI without authorization. The bundle does not show KEV listing or confirmed active exploitation. Exposure is limited to organizations running Cisco HyperFlex HX-Series, especially where the HyperFlex Web UI is reachable beyond tightly controlled management networks. Treat this as a high-priority infrastructure management-plane issue if HyperFlex is in use. Urgency is highest where management access is broadly reachable or where multiple HyperFlex environments share operational trust boundaries. Mitigation focus: Review Cisco’s advisory for affected and fixed HyperFlex software guidance.; Restrict HyperFlex Web UI access to trusted management networks.; Prioritize remediation for internet-reachable or broadly reachable management interfaces..
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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CWE-642: Exact CWE lookup
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Open ATT&CK lookupCVE-2018-15382 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 Software Static Signing Key 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.
External Control of Critical State Data
External Control of Critical State Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.