cisco-sa-sb220-lldp-multivuls-mVRUtQ8T: Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabilities
First published: Wed Oct 06 2021(Updated: )
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: 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. There are no workarounds that address these vulnerabilities. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb220-lldp-multivuls-mVRUtQ8T
Credit: Qian Chen the Codesafe Team of Legendsec at Qi'anxin Group for reporting these vulnerabilities
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Products |
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Reference Links
Child vulnerabilities
(Contains the following vulnerabilities)
Frequently Asked Questions
What is the severity of cisco-sa-sb220-lldp-multivuls-mVRUtQ8T?
The severity of cisco-sa-sb220-lldp-multivuls-mVRUtQ8T is classified as high due to the ability of unauthenticated adjacent attackers to exploit the vulnerabilities.
How do I fix cisco-sa-sb220-lldp-multivuls-mVRUtQ8T?
To fix cisco-sa-sb220-lldp-multivuls-mVRUtQ8T, it is recommended to update the affected Cisco Small Business 220 Series Smart Switches to the latest firmware versions provided by Cisco.
Which products are affected by cisco-sa-sb220-lldp-multivuls-mVRUtQ8T?
cisco-sa-sb220-lldp-multivuls-mVRUtQ8T affects Cisco Small Business 220 Series Smart Switches.
What type of attacker could exploit cisco-sa-sb220-lldp-multivuls-mVRUtQ8T?
An unauthenticated, adjacent attacker could exploit cisco-sa-sb220-lldp-multivuls-mVRUtQ8T.
What is the Link Layer Discovery Protocol in cisco-sa-sb220-lldp-multivuls-mVRUtQ8T?
The Link Layer Discovery Protocol (LLDP) is a network protocol used for network devices to advertise their identity and capabilities on a local area network, which is compromised by the vulnerabilities mentioned in cisco-sa-sb220-lldp-multivuls-mVRUtQ8T.
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