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.
History

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cve-icon MITRE Information

Status: PUBLISHED

Assigner: cisco

Published: 2021-10-06T00:00:00

Updated: 2021-10-06T19:45:27

Reserved: 2021-06-15T00:00:00


Link: CVE-2021-34778

JSON object: View

cve-icon NVD Information

Status : Modified

Published: 2021-10-06T20:15:15.833

Modified: 2023-11-07T03:36:23.317


Link: CVE-2021-34778

JSON object: View

cve-icon Redhat Information

No data.

CWE