Security readout for executives and security teams
This flaw can let someone with valid device access force affected Cisco Nexus switches to run out of memory. The result can be a routing-process restart or full device reset, causing a denial of service. The sources do not show active exploitation or a CVSS score. Exposure is limited to environments with affected Nexus 3000 or 9000 switches running standalone NX-OS where authenticated CLI or SNMP access is available to an attacker. Treat this as a targeted infrastructure availability risk. Prioritize if affected switches support critical routing, data center, or security-control paths, especially where SNMP or administrative access is broadly delegated. Mitigation focus: Identify Nexus 3000 and 9000 switches running standalone NX-OS.; Check Cisco’s advisory for affected releases and vendor remediation guidance.; Restrict CLI and SNMP management access to trusted administration networks..
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-400: Exact CWE lookup
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Open ATT&CK lookupCVE-2018-0309 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-n3k-n9k-clisnmpCVE 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.
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.