CVE-2021-34775
Summary
| CVE | CVE-2021-34775 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-10-06 20:15:00 UTC |
| Updated | 2023-11-07 03:36:00 UTC |
| 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. |
Risk And Classification
Problem Types: CWE-120
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Cisco | Business 220-16p-2g | - | All | All | All |
| Operating System | Cisco | Business 220-16p-2g Firmware | All | All | All | All |
| Hardware | Cisco | Business 220-16t-2g | - | All | All | All |
| Operating System | Cisco | Business 220-16t-2g Firmware | All | All | All | All |
| Hardware | Cisco | Business 220-24fp-4g | - | All | All | All |
| Operating System | Cisco | Business 220-24fp-4g Firmware | All | All | All | All |
| Hardware | Cisco | Business 220-24fp-4x | - | All | All | All |
| Operating System | Cisco | Business 220-24fp-4x Firmware | All | All | All | All |
| Hardware | Cisco | Business 220-24p-4g | - | All | All | All |
| Operating System | Cisco | Business 220-24p-4g Firmware | All | All | All | All |
| Hardware | Cisco | Business 220-24p-4x | - | All | All | All |
| Operating System | Cisco | Business 220-24p-4x Firmware | All | All | All | All |
| Hardware | Cisco | Business 220-24t-4g | - | All | All | All |
| Operating System | Cisco | Business 220-24t-4g Firmware | All | All | All | All |
| Hardware | Cisco | Business 220-24t-4x | - | All | All | All |
| Operating System | Cisco | Business 220-24t-4x Firmware | All | All | All | All |
| Hardware | Cisco | Business 220-48fp-4x | - | All | All | All |
| Operating System | Cisco | Business 220-48fp-4x Firmware | All | All | All | All |
| Hardware | Cisco | Business 220-48p-4g | - | All | All | All |
| Operating System | Cisco | Business 220-48p-4g Firmware | All | All | All | All |
| Hardware | Cisco | Business 220-48p-4x | - | All | All | All |
| Operating System | Cisco | Business 220-48p-4x Firmware | All | All | All | All |
| Hardware | Cisco | Business 220-48t-4g | - | All | All | All |
| Operating System | Cisco | Business 220-48t-4g Firmware | All | All | All | All |
| Hardware | Cisco | Business 220-48t-4x | - | All | All | All |
| Operating System | Cisco | Business 220-48t-4x Firmware | All | All | All | All |
| Hardware | Cisco | Business 220-8fp-e-2g | - | All | All | All |
| Operating System | Cisco | Business 220-8fp-e-2g Firmware | All | All | All | All |
| Hardware | Cisco | Business 220-8p-e-2g | - | All | All | All |
| Operating System | Cisco | Business 220-8p-e-2g Firmware | All | All | All | All |
| Hardware | Cisco | Business 220-8t-e-2g | - | All | All | All |
| Operating System | Cisco | Business 220-8t-e-2g Firmware | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabilities | CISCO | tools.cisco.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 730223 Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabilities (cisco-sa-sb220-lldp-multivuls-mVRUtQ8T)