4.3 Moyenne

CVE-2021-34780 Multiple vulnerabilities exist in the Link Layer Discovery Protocol (LLDP) implementation for Cisco Small Business 220…

Description

Multiple vulnerabilities exist in the Link Layer Discovery Protocol (LLDP) implementation for Cisco Small Business 220 Series Smart Switches. An unauthenticated, adjacent attacker could perform the following: Execute code on the affected device or cause it to reload unexpectedly Cause LLDP database corruption on the affected device For more information about these vulnerabilities, see the Details section of this advisory. Note: LLDP is a Layer 2 protocol. To exploit these vulnerabilities, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent). Cisco has released firmware updates that address these vulnerabilities.

Produits et versions touchés

Produit	Versions touchées	Corrigé en
Cisco Small Business 200 Series Smart Switches	Versions non publiées

Références

20211006 Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabilities tools.cisco.com

Chronologie

Publiée 6 octobre 2021
Dernière modification 7 novembre 2024

Les 9 CVE de Cisco Small Business 200 Series Smart Switches →

CVE-2021-34775 Multiple vulnerabilities exist in the Link Layer Discovery Protocol (LLDP) implementation for Cisco Small Business 220… 4.3 Moyenne CVE-2021-34776 Multiple vulnerabilities exist in the Link Layer Discovery Protocol (LLDP) implementation for Cisco Small Business 220… 4.3 Moyenne CVE-2021-34777 Multiple vulnerabilities exist in the Link Layer Discovery Protocol (LLDP) implementation for Cisco Small Business 220… 4.3 Moyenne CVE-2021-34778 Multiple vulnerabilities exist in the Link Layer Discovery Protocol (LLDP) implementation for Cisco Small Business 220… 4.3 Moyenne

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