Vulnerability Monitor

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CVE-2016-6457


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).


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.5, indicating it requires adjacent network access with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 19 products from cisco, from cisco, from cisco and 16 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2016, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.


Published

2016-11-19T03:03:00.303

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:A/AC:L/Au:N/C:N/I:N/A:C

  • Access Vector: ADJACENT_NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

6.5

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-119

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application cisco application_policy_infrastructure_controller 1.2\(2\) Yes
Application cisco application_policy_infrastructure_controller 1.2\(3\) Yes
Application cisco application_policy_infrastructure_controller 1.3\(1\) Yes
Application cisco application_policy_infrastructure_controller 1.3\(2\) Yes
Application cisco application_policy_infrastructure_controller 2.0\(1\) Yes
Operating System cisco nx-os 11.2\(2g\) Yes
Operating System cisco nx-os 11.2\(2h\) Yes
Operating System cisco nx-os 11.2\(2i\) Yes
Operating System cisco nx-os 11.2\(3c\) Yes
Operating System cisco nx-os 11.2\(3e\) Yes
Operating System cisco nx-os 11.2\(3h\) Yes
Operating System cisco nx-os 11.3\(1i\) Yes
Operating System cisco nx-os 11.3\(2f\) Yes
Operating System cisco nx-os 11.3\(2h\) Yes
Operating System cisco nx-os 11.3\(2i\) Yes
Operating System cisco nx-os 12.0\(1m\) Yes
Operating System cisco nx-os 12.0\(1n\) Yes
Operating System cisco nx-os 12.0\(1o\) Yes
Operating System cisco nx-os 12.0\(1p\) Yes
Operating System cisco nx-os 12.0\(1q\) Yes
Hardware cisco nexus_92160yc-x - No
Hardware cisco nexus_92304qc - No
Hardware cisco nexus_9236c - No
Hardware cisco nexus_9272q - No
Hardware cisco nexus_93108tc-ex - No
Hardware cisco nexus_93120tx - No
Hardware cisco nexus_93128tx - No
Hardware cisco nexus_93180yc-ex - No
Hardware cisco nexus_9332pq - No
Hardware cisco nexus_9336pq_aci_spine - No
Hardware cisco nexus_9372px - No
Hardware cisco nexus_9372tx - No
Hardware cisco nexus_9396px - No
Hardware cisco nexus_9396tx - No
Hardware cisco nexus_9504 - No
Hardware cisco nexus_9508 - No
Hardware cisco nexus_9516 - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.