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CVE Record

CVE-2018-15406: Cisco UCS Director Stored Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco UCS Director could allow an unauthenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the web-based management interface of an affected system. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of an affected system. An attacker could exploit this vulnerability by persuading a user of the interface to click a malicious link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or allow the attacker to access sensitive, browser-based information.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's Takemoderate

Analyst readout for executives and security teams

Plain-English summary

Cisco UCS Director has a stored cross-site scripting issue in its web management interface. An unauthenticated remote attacker would still need to persuade an interface user to click a malicious link. If successful, script could run in that user's browser session and expose browser-based sensitive information.

Executive priority

Treat this as a management-plane security issue requiring verification, not an emergency based on current evidence. Prioritize affected internet-reachable or broadly accessible UCS Director deployments, then follow Cisco's advisory for remediation.

Technical view

The issue is CWE-79 caused by insufficient validation of user-supplied input in Cisco UCS Director's web-based management interface. The source bundle does not provide CVSS, specific affected versions, or fixed versions. The described impact is arbitrary script execution in the interface context and access to sensitive browser-based information.

Likely exposure

Exposure is limited to organizations running Cisco UCS Director with reachable web management interfaces. Risk is higher where administrators access the interface from general browsing environments or where the interface is reachable from untrusted networks.

Exploitation context

The CVE record describes remote unauthenticated exploitation requiring user interaction through a malicious link. The source bundle does not show CISA KEV listing, active exploitation evidence, public exploit status, CVSS score, or version-specific exploitability details.

Researcher notes

Evidence is sparse in the provided bundle: no CVSS, no affected version range, and no patch detail beyond the Cisco advisory reference. Analysis should stay anchored to Cisco's advisory and the CVE record before making exposure or remediation claims.

Mitigation direction

  • Review Cisco's advisory for affected and fixed release guidance.
  • Apply Cisco-recommended updates or mitigations for any affected deployment.
  • Restrict UCS Director management access to trusted networks and administrators.
  • Avoid browsing untrusted links from active administrative sessions.
  • Monitor vendor advisories for any updated remediation details.

Validation and detection

  • Inventory all Cisco UCS Director deployments and exposed management interfaces.
  • Compare deployed versions against Cisco's advisory affected-version guidance.
  • Confirm management interfaces are not internet-accessible unless explicitly required.
  • Review administrative reports for unexpected links targeting the UCS Director interface.
  • Document whether compensating access controls are in place.
Prepared
Confidence
medium
Sources
4

Based on public source material and reviewed before publication.

Potential ATT&CK relevance

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 · medium confidence lookup

CWE-79: User-session and phishing behavior lookup

Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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 lookup
cve · low confidence lookup

CVE-2018-15406 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
3Source 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 Unified Computing System Directorn/aListed
Weakness

CWE details

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

CWE-79 · source CWE mapping

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.