LiveActive security incident?Get immediate response
CVE Record

CVE-2016-6457: A vulnerability in the Cisco Nexus 9000 Series Platform Leaf Switches for Application Centric Infrastructur...

A vulnerability in the Cisco Nexus 9000 Series Platform Leaf Switches for Application Centric Infrastructure (ACI) could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on the affected device. This vulnerability affects Cisco Nexus 9000 Series Leaf Switches (TOR) - ACI Mode and Cisco Application Policy Infrastructure Controller (APIC). More Information: CSCuy93241. Known Affected Releases: 11.2(2x) 11.2(3x) 11.3(1x) 11.3(2x) 12.0(1x). Known Fixed Releases: 11.2(2i) 11.2(2j) 11.2(3f) 11.2(3g) 11.2(3h) 11.2(3l) 11.3(0.236) 11.3(1j) 11.3(2i) 11.3(2j) 12.0(1r).

UnknownCVSS not scoredNot KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2016-6457 is a denial-of-service issue affecting Cisco Nexus 9000 leaf switches in ACI mode and APIC. An unauthenticated attacker with adjacent network access could disrupt affected devices. The main business risk is loss of availability in Cisco ACI data-center networking, not data theft based on the provided sources. Exposure is likely limited to environments running Cisco ACI with affected Nexus 9000 leaf switch or APIC software versions. Internet exposure is not indicated; the attacker must be adjacent, which reduces reach but still matters inside data centers or compromised internal networks. Treat this as a data-center availability risk. It is not described as remotely exploitable from the internet, but an internal adjacent attacker could disrupt critical Cisco ACI infrastructure. Prioritize if affected ACI fabrics support production services or regulated workloads. Mitigation focus: Identify Cisco ACI Nexus 9000 leaf and APIC software versions in production.; Upgrade affected systems to Cisco-listed fixed releases where applicable.; Review the Cisco advisory for model-specific guidance and operational caveats..

Prepared

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

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2016-6457 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
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

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aCisco Nexus 9000 Series Platform Leaf Switches for Application Centric Infrastructure (ACI) 11.2(2x) through 12.0(1x)Cisco Nexus 9000 Series Platform Leaf Switches for Application Centric Infrastructure (ACI) 11.2(2x) through 12.0(1x)Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.