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).

Published: 2016-11-18 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2016-6457 is rated Moderate Risk (43.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.72%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-6457

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.36% 0.72% +0.36%
2 2025-03-30 0.32% 0.36% +0.04%
3 2025-03-29 — 0.32% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-6457

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:A)
Attacker has to be nearby on the network—same office, same link, that vibe—not the whole wide internet.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 3.6 [email protected]
6.1 2.0 MEDIUM
AV:A/AC:L/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:A)
Requires access to an adjacent network segment.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 6.5 6.9 [email protected]

Weakness enumeration for CVE-2016-6457

Affected software / configurations for CVE-2016-6457

Vendor Product Version Raw CPE
cisco application_policy_infrastructure_controller 1.2\(2\) cpe:2.3:a:cisco:application_policy_infrastructure_controller:1.2\(2\):*:*:*:*:*:*:*
cisco application_policy_infrastructure_controller 1.2\(3\) cpe:2.3:a:cisco:application_policy_infrastructure_controller:1.2\(3\):*:*:*:*:*:*:*
cisco application_policy_infrastructure_controller 1.3\(1\) cpe:2.3:a:cisco:application_policy_infrastructure_controller:1.3\(1\):*:*:*:*:*:*:*
cisco application_policy_infrastructure_controller 1.3\(2\) cpe:2.3:a:cisco:application_policy_infrastructure_controller:1.3\(2\):*:*:*:*:*:*:*
cisco application_policy_infrastructure_controller 2.0\(1\) cpe:2.3:a:cisco:application_policy_infrastructure_controller:2.0\(1\):*:*:*:*:*:*:*
cisco nx-os 11.2\(2g\) cpe:2.3:o:cisco:nx-os:11.2\(2g\):*:*:*:*:*:*:*
cisco nx-os 11.2\(2h\) cpe:2.3:o:cisco:nx-os:11.2\(2h\):*:*:*:*:*:*:*
cisco nx-os 11.2\(2i\) cpe:2.3:o:cisco:nx-os:11.2\(2i\):*:*:*:*:*:*:*
cisco nx-os 11.2\(3c\) cpe:2.3:o:cisco:nx-os:11.2\(3c\):*:*:*:*:*:*:*
cisco nx-os 11.2\(3e\) cpe:2.3:o:cisco:nx-os:11.2\(3e\):*:*:*:*:*:*:*
cisco nx-os 11.2\(3h\) cpe:2.3:o:cisco:nx-os:11.2\(3h\):*:*:*:*:*:*:*
cisco nx-os 11.3\(1i\) cpe:2.3:o:cisco:nx-os:11.3\(1i\):*:*:*:*:*:*:*
cisco nx-os 11.3\(2f\) cpe:2.3:o:cisco:nx-os:11.3\(2f\):*:*:*:*:*:*:*
cisco nx-os 11.3\(2h\) cpe:2.3:o:cisco:nx-os:11.3\(2h\):*:*:*:*:*:*:*
cisco nx-os 11.3\(2i\) cpe:2.3:o:cisco:nx-os:11.3\(2i\):*:*:*:*:*:*:*
cisco nx-os 12.0\(1m\) cpe:2.3:o:cisco:nx-os:12.0\(1m\):*:*:*:*:*:*:*
cisco nx-os 12.0\(1n\) cpe:2.3:o:cisco:nx-os:12.0\(1n\):*:*:*:*:*:*:*
cisco nx-os 12.0\(1o\) cpe:2.3:o:cisco:nx-os:12.0\(1o\):*:*:*:*:*:*:*
cisco nx-os 12.0\(1p\) cpe:2.3:o:cisco:nx-os:12.0\(1p\):*:*:*:*:*:*:*
cisco nx-os 12.0\(1q\) cpe:2.3:o:cisco:nx-os:12.0\(1q\):*:*:*:*:*:*:*

References for CVE-2016-6457

cvelogic Threat Intelligence