Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabilities (Cisco Cisco Small Business 200 Series Smart Switches)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.52 % · percentile 44 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- cisco
- NVD status
- Modified
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.
Weaknesses (CWE)
- CWE-120 — Buffer Copy without Checking Size of Input
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 4.3 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N | cisco |
| CVSS 3.1 | MEDIUM 4.3 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N | NVD · psirt@cisco.com (Secondary) |
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | HIGH 7.9 | AV:A/AC:M/Au:N/C:C/I:C/A:C | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2021-21429
- GCVE · GCVE-0-2021-34779
CERT-FR advisories
- CERTFR-2021-AVI-761 — Multiples vulnérabilités dans les produits Cisco · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:cisco:business_220-8t-e-2g_firmware:*:*:*:*:*:*:*:*≤ 1.2.0.6cpe:2.3:o:cisco:business_220-8p-e-2g_firmware:*:*:*:*:*:*:*:*≤ 1.2.0.6cpe:2.3:o:cisco:business_220-8fp-e-2g_firmware:*:*:*:*:*:*:*:*≤ 1.2.0.6cpe:2.3:o:cisco:business_220-16t-2g_firmware:*:*:*:*:*:*:*:*≤ 1.2.0.6cpe:2.3:o:cisco:business_220-16p-2g_firmware:*:*:*:*:*:*:*:*≤ 1.2.0.6cpe:2.3:o:cisco:business_220-24t-4g_firmware:*:*:*:*:*:*:*:*≤ 1.2.0.6cpe:2.3:o:cisco:business_220-24p-4g_firmware:*:*:*:*:*:*:*:*≤ 1.2.0.6cpe:2.3:o:cisco:business_220-24fp-4g_firmware:*:*:*:*:*:*:*:*≤ 1.2.0.6cpe:2.3:o:cisco:business_220-48t-4g_firmware:*:*:*:*:*:*:*:*≤ 1.2.0.6cpe:2.3:o:cisco:business_220-48p-4g_firmware:*:*:*:*:*:*:*:*≤ 1.2.0.6cpe:2.3:o:cisco:business_220-24t-4x_firmware:*:*:*:*:*:*:*:*≤ 1.2.0.6cpe:2.3:o:cisco:business_220-24p-4x_firmware:*:*:*:*:*:*:*:*≤ 1.2.0.6cpe:2.3:o:cisco:business_220-24fp-4x_firmware:*:*:*:*:*:*:*:*≤ 1.2.0.6cpe:2.3:o:cisco:business_220-48t-4x_firmware:*:*:*:*:*:*:*:*≤ 1.2.0.6cpe:2.3:o:cisco:business_220-48p-4x_firmware:*:*:*:*:*:*:*:*≤ 1.2.0.6cpe:2.3:o:cisco:business_220-48fp-4x_firmware:*:*:*:*:*:*:*:*≤ 1.2.0.6
Affected products
| Product | Versions |
|---|---|
| Cisco · Cisco Small Business 200 Series Smart Switches | affected n/a |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |