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Vulnerability Details CVE-2021-1586

A vulnerability in the Multi-Pod or Multi-Site network configurations for Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode could allow an unauthenticated, remote attacker to unexpectedly restart the device, resulting in a denial of service (DoS) condition. This vulnerability exists because TCP traffic sent to a specific port on an affected device is not properly sanitized. An attacker could exploit this vulnerability by sending crafted TCP data to a specific port that is listening on a public-facing IP address for the Multi-Pod or Multi-Site configuration. A successful exploit could allow the attacker to cause the device to restart unexpectedly, resulting in a DoS condition.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.001

EPSS Ranking 24.6%

CVSS Severity

CVSS v3 Score 8.6

CVSS v2 Score 5.0

References

Products affected by CVE-2021-1586

Cisco » Nexus 9000v » Version: N/A

cpe:2.3:h:cisco:nexus_9000v:-
Cisco » Nexus 92160yc-X » Version: N/A

cpe:2.3:h:cisco:nexus_92160yc-x:-
Cisco » Nexus 92300yc » Version: N/A

cpe:2.3:h:cisco:nexus_92300yc:-
Cisco » Nexus 92304qc » Version: N/A

cpe:2.3:h:cisco:nexus_92304qc:-
Cisco » Nexus 92348gc-X » Version: N/A

cpe:2.3:h:cisco:nexus_92348gc-x:-
Cisco » Nexus 9236c » Version: N/A

cpe:2.3:h:cisco:nexus_9236c:-
Cisco » Nexus 9272q » Version: N/A

cpe:2.3:h:cisco:nexus_9272q:-
Cisco » Nexus 93108tc-Ex-24 » Version: N/A

cpe:2.3:h:cisco:nexus_93108tc-ex-24:-
Cisco » Nexus 93108tc-Ex » Version: N/A

cpe:2.3:h:cisco:nexus_93108tc-ex:-
Cisco » Nexus 93108tc-Fx-24 » Version: N/A

cpe:2.3:h:cisco:nexus_93108tc-fx-24:-
Cisco » Nexus 93108tc-Fx3p » Version: N/A

cpe:2.3:h:cisco:nexus_93108tc-fx3p:-
Cisco » Nexus 93108tc-Fx » Version: N/A

cpe:2.3:h:cisco:nexus_93108tc-fx:-
Cisco » Nexus 93120tx » Version: N/A

cpe:2.3:h:cisco:nexus_93120tx:-
Cisco » Nexus 93128tx » Version: N/A

cpe:2.3:h:cisco:nexus_93128tx:-
Cisco » Nexus 9316d-Gx » Version: N/A

cpe:2.3:h:cisco:nexus_9316d-gx:-
Cisco » Nexus 93180lc-Ex » Version: N/A

cpe:2.3:h:cisco:nexus_93180lc-ex:-
Cisco » Nexus 93180yc-Ex-24 » Version: N/A

cpe:2.3:h:cisco:nexus_93180yc-ex-24:-
Cisco » Nexus 93180yc-Ex » Version: N/A

cpe:2.3:h:cisco:nexus_93180yc-ex:-
Cisco » Nexus 93180yc-Fx-24 » Version: N/A

cpe:2.3:h:cisco:nexus_93180yc-fx-24:-
Cisco » Nexus 93180yc-Fx3 » Version: N/A

cpe:2.3:h:cisco:nexus_93180yc-fx3:-
Cisco » Nexus 93180yc-Fx3s » Version: N/A

cpe:2.3:h:cisco:nexus_93180yc-fx3s:-
Cisco » Nexus 93180yc-Fx » Version: N/A

cpe:2.3:h:cisco:nexus_93180yc-fx:-
Cisco » Nexus 93216tc-Fx2 » Version: N/A

cpe:2.3:h:cisco:nexus_93216tc-fx2:-
Cisco » Nexus 93240yc-Fx2 » Version: N/A

cpe:2.3:h:cisco:nexus_93240yc-fx2:-
Cisco » Nexus 9332c » Version: N/A

cpe:2.3:h:cisco:nexus_9332c:-
Cisco » Nexus 9332pq » Version: N/A

cpe:2.3:h:cisco:nexus_9332pq:-
Cisco » Nexus 93360yc-Fx2 » Version: N/A

cpe:2.3:h:cisco:nexus_93360yc-fx2:-
Cisco » Nexus 9336c-Fx2-E » Version: N/A

cpe:2.3:h:cisco:nexus_9336c-fx2-e:-
Cisco » Nexus 9336c-Fx2 » Version: N/A

cpe:2.3:h:cisco:nexus_9336c-fx2:-
Cisco » Nexus 9348gc-Fxp » Version: N/A

cpe:2.3:h:cisco:nexus_9348gc-fxp:-
Cisco » Nexus 93600cd-Gx » Version: N/A

cpe:2.3:h:cisco:nexus_93600cd-gx:-
Cisco » Nexus 9364c-Gx » Version: N/A

cpe:2.3:h:cisco:nexus_9364c-gx:-
Cisco » Nexus 9364c » Version: N/A

cpe:2.3:h:cisco:nexus_9364c:-
Cisco » Nexus 9372px-E » Version: N/A

cpe:2.3:h:cisco:nexus_9372px-e:-
Cisco » Nexus 9372px » Version: N/A

cpe:2.3:h:cisco:nexus_9372px:-
Cisco » Nexus 9372tx-E » Version: N/A

cpe:2.3:h:cisco:nexus_9372tx-e:-
Cisco » Nexus 9372tx » Version: N/A

cpe:2.3:h:cisco:nexus_9372tx:-
Cisco » Nexus 9396px » Version: N/A

cpe:2.3:h:cisco:nexus_9396px:-
Cisco » Nexus 9396tx » Version: N/A

cpe:2.3:h:cisco:nexus_9396tx:-
Cisco » Nexus 9508 » Version: N/A

cpe:2.3:h:cisco:nexus_9508:-
Cisco » Nx-Os » Version: 15.0(2e)

cpe:2.3:o:cisco:nx-os:15.0(2e)
Cisco » Nx-Os » Version: 15.1(1h)

cpe:2.3:o:cisco:nx-os:15.1(1h)

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Vulnerable Software

Vulnerability Details CVE-2021-1586

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