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CVE Record

CVE-2018-15423: Cisco HyperFlex UI Clickjacking Vulnerability

A vulnerability in the web UI of Cisco HyperFlex Software could allow an unauthenticated, remote attacker to affect the integrity of a device via a clickjacking attack. The vulnerability is due to insufficient input validation of iFrame data in HTTP requests that are sent to an affected device. An attacker could exploit this vulnerability by sending crafted HTTP packets with malicious iFrame data. A successful exploit could allow the attacker to perform a clickjacking attack where the user is tricked into clicking a malicious link.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2018-15423 is a Cisco HyperFlex Software web UI clickjacking issue. An attacker could trick a user into clicking a malicious link and affect device integrity through crafted iFrame data. The source bundle does not provide CVSS severity, fixed versions, or evidence of active exploitation.

Executive priority

Treat this as a management-plane integrity risk with incomplete severity data. Prioritize confirming whether HyperFlex is deployed and whether its web UI is exposed beyond trusted administrators. Escalate remediation if Cisco guidance confirms affected versions in production.

Technical view

The issue affects the web UI of Cisco HyperFlex Software on Cisco HyperFlex HX-Series. Cisco describes insufficient input validation of iFrame data in HTTP requests. Exploitation is unauthenticated and remote, but depends on social engineering a user into interacting with a malicious link.

Likely exposure

Exposure is most relevant where Cisco HyperFlex management interfaces are reachable by users or networks that could receive attacker-supplied links. The bundle does not identify affected release ranges, internet exposure requirements, or specific deployment prerequisites.

Exploitation context

The CVE is not listed as KEV in the supplied data, and the bundle gives no evidence of active exploitation. Exploitation would require crafted HTTP traffic and user deception consistent with clickjacking, not direct unauthenticated takeover based on the provided description.

Researcher notes

The public bundle is sparse: no CVSS vector, no affected version range, no fixed version, and no exploit-status citation beyond KEV=false. Keep analysis bounded to Cisco HyperFlex Software web UI clickjacking and verify operational details directly from Cisco’s advisory.

Mitigation direction

  • Review Cisco advisory for affected releases and vendor remediation guidance.
  • Restrict HyperFlex web UI access to trusted administration networks.
  • Avoid exposing management interfaces to the public internet.
  • Train administrators to avoid unknown links while authenticated to management tools.

Validation and detection

  • Inventory Cisco HyperFlex HX-Series deployments and web UI exposure paths.
  • Compare deployed HyperFlex Software versions against Cisco advisory guidance.
  • Confirm management UI access is limited to intended administrators and networks.
  • Review web UI logs for unusual request patterns around administrator sessions.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2018-15423 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
CiscoCisco HyperFlex HX-Seriesn/aListed
Weakness

CWE details

CWE-693

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.