Cisco Issues Critical Fixes for High-End Nexus Gear

guest · Aug 26, 2021

Cisco Issues Critical Fixes for High-End Nexus Gear
August 25, 2021
https://threatpost.com/cisco-issues-critical-fixes-for-high-end-nexus-gear/168939/

Cisco Systems released six security patches tied to its high-end 9000 series networking gear ranging in importance from critical, high and medium severity.

The most serious of the bugs patched by Cisco (rated 9.1 out of 10) could allow a remote and unauthenticated adversary to read or write arbitrary files on to an application protocol interface used in Cisco 9000 series switches designed to manage its software-defined networking data center solution.
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This critical vulnerability, tracked as CVE-2021-1577, impacts Cisco Application Policy Infrastructure Controller (APIC) and Cisco Cloud Application Policy Infrastructure Controller (Cloud APIC). APIC is the main architectural component of the Cisco Application Centric Infrastructure, which runs on Cisco Nexus 9000 Series node.
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A Nexus of Bug Fixes
Cisco also addressed two high-severity Nexus 9000 bugs (CVE-2021-1586, CVE-2021-1523) and three medium-severity flaw (CVE-2021-1583, CVE-2021-1584, CVE-2021-1591). The two high-severity bugs (both with a base CVSS score of 8.6) are denial of service flaws.

A second high-severity Nexus 9000 series vulnerability is described by Cisco as a flaw in its Fabric Switches ACI Mode Queue Wedge.
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Cisco Issues Critical Fixes for High-End Nexus Gear

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