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CVE Record

CVE-2018-15392: Cisco Industrial Network Director DHCP Request Processing Denial of Service Vulnerability

A vulnerability in the DHCP service of Cisco Industrial Network Director could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. The vulnerability is due to improper handling of DHCP lease requests. An attacker could exploit this vulnerability by sending malicious DHCP lease requests to an affected application. A successful exploit could allow the attacker to cause the DHCP service to terminate, resulting in a DoS condition.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Cisco Industrial Network Director has a DHCP request handling flaw that can let an unauthenticated attacker on an adjacent network crash its DHCP service. The main business impact is service disruption, not data theft. Evidence does not show public active exploitation, and the provided sources do not include CVSS scoring or fixed-version details.

Executive priority

Treat as a targeted availability risk for industrial network management. Prioritize validation where Cisco IND supports operational environments, but do not escalate as internet-wide emergency based on the provided evidence.

Technical view

CVE-2018-15392 affects the DHCP service in Cisco Industrial Network Director. Improper handling of DHCP lease requests can cause the DHCP service to terminate when malicious lease requests reach the affected application. The attacker must be adjacent, so exposure depends on local network reachability to the service.

Likely exposure

Organizations using Cisco Industrial Network Director where the DHCP service is reachable from adjacent network segments. Risk is higher in industrial environments where management or operational networks allow untrusted local DHCP traffic.

Exploitation context

The source bundle describes unauthenticated adjacent-network exploitation causing DHCP service termination. CISA KEV status is false in the provided data, and no cited source states active exploitation.

Researcher notes

The provided record lacks CVSS vectors, affected version ranges, CPEs, and patch details. Analysis should stay bounded to Cisco IND DHCP service denial of service from adjacent network access unless Cisco’s advisory adds more specific version or remediation data.

Mitigation direction

  • Review Cisco’s advisory for affected and fixed release guidance.
  • Apply vendor-provided updates or workarounds if available.
  • Restrict DHCP reachability to trusted local network segments.
  • Segment industrial management networks from untrusted adjacent hosts.
  • Monitor DHCP service health and alert on unexpected termination.

Validation and detection

  • Inventory Cisco Industrial Network Director deployments and enabled DHCP services.
  • Check whether DHCP traffic can reach IND from adjacent segments.
  • Review logs for DHCP service crashes or unexpected restarts.
  • Confirm compensating segmentation controls are documented and enforced.
  • Track Cisco advisory status for version-specific remediation details.
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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ATT&CK lookup starting points

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cwe · low confidence lookup

CWE-399: Exact CWE lookup

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cve · low confidence lookup

CVE-2018-15392 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 Industrial Network Directorn/aListed
Weakness

CWE details

CWE-399

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

CWE-399 · source CWE mapping

Resource Management Errors

Resource Management Errors represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

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