4.3
CVE-2021-34778
- EPSS 0.18%
- Published 06.10.2021 20:15:15
- Last modified 21.11.2024 06:11:10
- Source psirt@cisco.com
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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.
Data is provided by the National Vulnerability Database (NVD)
Cisco ≫ Business 220-8t-e-2g Firmware Version <= 1.2.0.6
Cisco ≫ Business 220-8p-e-2g Firmware Version <= 1.2.0.6
Cisco ≫ Business 220-8fp-e-2g Firmware Version <= 1.2.0.6
Cisco ≫ Business 220-16t-2g Firmware Version <= 1.2.0.6
Cisco ≫ Business 220-16p-2g Firmware Version <= 1.2.0.6
Cisco ≫ Business 220-24t-4g Firmware Version <= 1.2.0.6
Cisco ≫ Business 220-24p-4g Firmware Version <= 1.2.0.6
Cisco ≫ Business 220-24fp-4g Firmware Version <= 1.2.0.6
Cisco ≫ Business 220-48t-4g Firmware Version <= 1.2.0.6
Cisco ≫ Business 220-48p-4g Firmware Version <= 1.2.0.6
Cisco ≫ Business 220-24t-4x Firmware Version <= 1.2.0.6
Cisco ≫ Business 220-24p-4x Firmware Version <= 1.2.0.6
Cisco ≫ Business 220-24fp-4x Firmware Version <= 1.2.0.6
Cisco ≫ Business 220-48t-4x Firmware Version <= 1.2.0.6
Cisco ≫ Business 220-48p-4x Firmware Version <= 1.2.0.6
Cisco ≫ Business 220-48fp-4x Firmware Version <= 1.2.0.6
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
| Type | Source | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.18% | 0.399 |
| Source | Base Score | Exploit Score | Impact Score | Vector string |
|---|---|---|---|---|
| nvd@nist.gov | 4.3 | 2.8 | 1.4 |
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
|
| nvd@nist.gov | 2.9 | 5.5 | 2.9 |
AV:A/AC:M/Au:N/C:N/I:P/A:N
|
| psirt@cisco.com | 4.3 | 2.8 | 1.4 |
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
|
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.