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CVE Record

CVE-2013-5566: Cisco NX-OS 5.0 and earlier on MDS 9000 devices allows remote attackers to cause a denial of service (super...

Cisco NX-OS 5.0 and earlier on MDS 9000 devices allows remote attackers to cause a denial of service (supervisor CPU consumption) via Authentication Header (AH) authentication in a Virtual Router Redundancy Protocol (VRRP) frame, aka Bug ID CSCte27874.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This flaw can let an attacker trigger high supervisor CPU usage on Cisco MDS 9000 switches running NX-OS 5.0 or earlier. The business risk is disruption to storage networking availability, not data theft. The bundle does not provide CVSS, patch details, or confirmed exploitation evidence. Exposure is most relevant to organizations operating Cisco MDS 9000 storage switches on NX-OS 5.0 or earlier. The source says remote attackers, but it does not define required network position, VRRP configuration, or authentication prerequisites. Handle as a targeted availability risk for legacy Cisco storage networking. Prioritize if affected MDS 9000 switches support critical storage paths or remain on unsupported software. The evidence does not justify emergency treatment without confirmed exposure. Mitigation focus: Identify Cisco MDS 9000 devices running NX-OS 5.0 or earlier.; Review Cisco guidance for fixed releases, mitigations, and operational constraints.; Prioritize vendor-supported remediation for affected storage network switches..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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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

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0CVSS vectors
0Timeline events
0ADP providers
1Source links

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

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