Security readout for executives and security teams
This issue can let an authenticated remote SNMP user exhaust memory on Cisco Nexus switches running NX-OS 5.0, causing denial of service. Business impact is network instability rather than data theft. The public bundle does not include CVSS, exploit evidence, or a confirmed fixed version. Exposure is most likely where Cisco Nexus switches run NX-OS 5.0, SNMP is enabled, and authenticated SNMP access is reachable beyond tightly controlled management networks. Prioritize if affected Nexus switches support critical network paths or expose SNMP beyond a controlled management plane. Urgency is lower where NX-OS 5.0 is absent or SNMP is tightly restricted. Mitigation focus: Check Cisco guidance for Bug ID CSCtr65682 and affected NX-OS 5.0 releases.; Upgrade or remediate according to Cisco’s fixed-release guidance when identified.; Restrict SNMP access to trusted management hosts and 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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CVE-2011-4023 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
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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
Products and packages named in the record
CWE details
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