Security readout for executives and security teams
CVE-2018-0308 is a Cisco FXOS/NX-OS flaw in Cisco Fabric Services packet handling. If vulnerable devices use Cisco Fabric Services, a remote unauthenticated attacker could crash them or potentially run arbitrary code. The business concern is loss or compromise of core network, security, or storage-switching infrastructure. The source bundle does not confirm active exploitation. Exposure is limited to listed Cisco Firepower, MDS, Nexus, and UCS Fabric Interconnect platforms when configured to use Cisco Fabric Services. Organizations with Cisco switching, storage networking, fabric extender, or security appliance infrastructure should prioritize configuration and version inventory. Treat as high priority for environments using affected Cisco infrastructure with CFS enabled. The combination of unauthenticated remote reachability, possible code execution, and denial of service can affect critical network operations, even though active exploitation is not evidenced here. Mitigation focus: Identify Cisco FXOS and NX-OS assets in the affected product families.; Determine whether each affected asset is configured to use Cisco Fabric Services.; Review Cisco’s advisory for fixed releases and vendor-supported workarounds..
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-2018-0308 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-fxnxos-fab-aceCVE 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.