Executive Summary

Informations
Name CVE-2024-20294 First vendor Publication 2024-02-29
Vendor Cve Last vendor Modification 2025-05-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H
Overall CVSS Score 6.6
Base Score 6.6 Environmental Score 6.6
impact SubScore 4 Temporal Score 6.6
Exploitabality Sub Score 2.1
 
Attack Vector Adjacent Attack Complexity Low
Privileges Required None User Interaction Required
Scope Changed Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

A vulnerability in the Link Layer Discovery Protocol (LLDP) feature of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.

This vulnerability is due to improper handling of specific fields in an LLDP frame. An attacker could exploit this vulnerability by sending a crafted LLDP packet to an interface of an affected device and having an authenticated user retrieve LLDP statistics from the affected device through CLI show commands or Simple Network Management Protocol (SNMP) requests. A successful exploit could allow the attacker to cause the LLDP service to crash and stop running on the affected device. In certain situations, the LLDP crash may result in a reload of the affected device.

Note: LLDP is a Layer 2 link protocol. To exploit this vulnerability, an attacker would need to be directly connected to an interface of an affected device, either physically or logically (for example, through a Layer 2 Tunnel configured to transport the LLDP protocol).

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-20294

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 100
Os 99
Os 458

Sources (Detail)

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory...
Source Url

Alert History

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Date Informations
2025-05-26 21:21:46
  • Multiple Updates
2024-11-25 09:26:39
  • Multiple Updates
2024-03-01 05:27:26
  • Multiple Updates
2024-03-01 02:41:37
  • Multiple Updates
2024-02-29 17:27:30
  • Multiple Updates
2024-02-29 09:27:24
  • First insertion