VDB

CVE-2021-34779

CVE-2021-34779 PUBLISHED CVSS 4.300000190734863 MEDIUM

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.

EPSS 0.09% · 26.2th percentile

Risk Scores

CVSS 3.1
4.300000190734863
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS Score
0.09%
26.2th percentile

Affected Products

VendorProductVersions
ciscobusiness_220-8t-e-2g_firmware0
ciscobusiness_220-24t-4x_firmware0
ciscobusiness_220-24p-4g_firmware0
ciscobusiness_220-48t-4g_firmware0
ciscobusiness_220-24t-4g_firmware0
ciscobusiness_220-24fp-4x_firmware0
ciscobusiness_220-48p-4x_firmware0
ciscobusiness_220-8p-e-2g_firmware0
ciscobusiness_220-8fp-e-2g_firmware0
CiscoCisco Small Business 200 Series Smart Switchesn/a
ciscobusiness_220-48t-4x_firmware0
ciscobusiness_220-24p-4x_firmware0
ciscobusiness_220-24fp-4g_firmware0
ciscobusiness_220-16t-2g_firmware0
ciscobusiness_220-48p-4g_firmware0
ciscobusiness_220-16p-2g_firmware0
ciscobusiness_220-48fp-4x_firmware0

Exploit Intelligence

Timeline

  • Oct 6, 2021 CVE Published
  • Oct 7, 2021 EPSS Score
  • Dec 3, 2021 EPSS Score
  • Jan 6, 2022 EPSS Score
  • Jan 28, 2022 EPSS Score
  • Mar 26, 2022 EPSS Score
  • May 22, 2022 EPSS Score
  • Jul 19, 2022 EPSS Score
  • Sep 13, 2022 EPSS Score
  • Nov 9, 2022 EPSS Score
  • Jan 5, 2023 EPSS Score
  • Mar 3, 2023 EPSS Score

References

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