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.
References
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https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb220-lldp-multivuls-mVRUtQ8T | Vendor Advisory |
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History
14 Oct 2021, 19:51
Type | Values Removed | Values Added |
---|---|---|
CWE | CWE-120 | |
CVSS |
v2 : v3 : |
v2 : 7.9
v3 : 8.8 |
CPE | cpe:2.3:o:cisco:business_220-24p-4x_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:cisco:business_220-48t-4g_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:cisco:business_220-24p-4g:-:*:*:*:*:*:*:* cpe:2.3:o:cisco:business_220-8fp-e-2g_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:cisco:business_220-48p-4g_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:cisco:business_220-48p-4g:-:*:*:*:*:*:*:* cpe:2.3:o:cisco:business_220-16t-2g_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:cisco:business_220-48t-4x_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:cisco:business_220-48t-4g:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:business_220-8fp-e-2g:-:*:*:*:*:*:*:* cpe:2.3:o:cisco:business_220-8p-e-2g_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:cisco:business_220-8p-e-2g:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:business_220-16t-2g:-:*:*:*:*:*:*:* cpe:2.3:o:cisco:business_220-24p-4g_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:cisco:business_220-24t-4g:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:business_220-48t-4x:-:*:*:*:*:*:*:* cpe:2.3:o:cisco:business_220-24t-4x_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:cisco:business_220-24p-4x:-:*:*:*:*:*:*:* cpe:2.3:o:cisco:business_220-48fp-4x_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:cisco:business_220-24fp-4x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:business_220-48fp-4x:-:*:*:*:*:*:*:* cpe:2.3:o:cisco:business_220-24t-4g_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:cisco:business_220-24fp-4g:-:*:*:*:*:*:*:* cpe:2.3:o:cisco:business_220-24fp-4x_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:cisco:business_220-8t-e-2g:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:business_220-48p-4x:-:*:*:*:*:*:*:* cpe:2.3:o:cisco:business_220-8t-e-2g_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:cisco:business_220-24fp-4g_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:cisco:business_220-48p-4x_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:cisco:business_220-16p-2g_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:cisco:business_220-24t-4x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:business_220-16p-2g:-:*:*:*:*:*:*:* |
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References | (CISCO) https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb220-lldp-multivuls-mVRUtQ8T - Vendor Advisory |
06 Oct 2021, 20:15
Type | Values Removed | Values Added |
---|---|---|
New CVE |
Information
Published : 2021-10-06 20:15
Updated : 2024-02-04 22:08
NVD link : CVE-2021-34780
Mitre link : CVE-2021-34780
CVE.ORG link : CVE-2021-34780
JSON object : View
Products Affected
cisco
- business_220-8p-e-2g_firmware
- business_220-24p-4g_firmware
- business_220-8fp-e-2g_firmware
- business_220-48p-4x_firmware
- business_220-16p-2g
- business_220-48p-4g
- business_220-8p-e-2g
- business_220-24p-4x
- business_220-24fp-4g
- business_220-16t-2g
- business_220-48p-4x
- business_220-8fp-e-2g
- business_220-24t-4x
- business_220-48t-4x_firmware
- business_220-48fp-4x_firmware
- business_220-24p-4x_firmware
- business_220-24t-4g_firmware
- business_220-16t-2g_firmware
- business_220-16p-2g_firmware
- business_220-24fp-4g_firmware
- business_220-48fp-4x
- business_220-8t-e-2g_firmware
- business_220-48p-4g_firmware
- business_220-24p-4g
- business_220-24t-4x_firmware
- business_220-24fp-4x
- business_220-24t-4g
- business_220-48t-4g_firmware
- business_220-48t-4x
- business_220-24fp-4x_firmware
- business_220-8t-e-2g
- business_220-48t-4g
CWE
CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')