Security readout for executives and security teams
CVE-2018-0312 affects Cisco FXOS and NX-OS devices that use Cisco Fabric Services. A remote unauthenticated attacker could send malformed CFS traffic that may crash the device or execute arbitrary code. Business urgency is highest where affected Cisco firewalls, fabric interconnects, switches, or fabric extenders support critical network paths. Exposure is limited to listed Cisco Firepower, MDS, Nexus, and UCS platforms when configured to use Cisco Fabric Services. Organizations without those platforms or without CFS enabled are less likely to be affected, based on the provided description. Treat as urgent for environments with affected Cisco network or security infrastructure using CFS. The potential impact includes device outage and arbitrary code execution on core infrastructure, but active exploitation is not evidenced in the provided sources. Mitigation focus: Review Cisco advisory for affected releases, fixed software, and workarounds.; Inventory listed Cisco FXOS and NX-OS platforms in production.; Identify systems configured to use Cisco Fabric Services..
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-20: Exact CWE lookup
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Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-0312 mapping review
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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
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-fx-os-cli-executionCVE reference · x_refsource_CONFIRM
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.
Improper Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.