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4.3 Medium

CVE-2021-34779 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.

Affected products and versions

Product Affected versions Fixed in
Cisco Small Business 200 Series Smart Switches Versions not published

References

Timeline

  1. Published
  2. Last modified

Other CVEs of Cisco Small Business 200 Series Smart Switches

The 9 CVEs of 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 Medium CVE-2021-34776 Multiple vulnerabilities exist in the Link Layer Discovery Protocol (LLDP) implementation for Cisco Small Business 220… 4.3 Medium CVE-2021-34777 Multiple vulnerabilities exist in the Link Layer Discovery Protocol (LLDP) implementation for Cisco Small Business 220… 4.3 Medium CVE-2021-34778 Multiple vulnerabilities exist in the Link Layer Discovery Protocol (LLDP) implementation for Cisco Small Business 220… 4.3 Medium
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