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VULNERABILITIES

CVE-2020-3512 Details

Description

A vulnerability in the PROFINET handler for Link Layer Discovery Protocol (LLDP) messages of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a crash on an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient validation of LLDP messages in the PROFINET LLDP message handler. An attacker could exploit this vulnerability by sending a malicious LLDP message to an affected device. A successful exploit could allow the attacker to cause the affected device to reload.

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References to Advisories, Solutions, and Tools

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Weakness Enumeration

CWE-IDCWE NameSource
CWE-400Uncontrolled Resource Consumption[email protected]
CWE-3887PK - Errors[email protected]

Affected Products

ProductVersions

Change History

5 change records found show changes


QUICK INFO

CVE Dictionary Entry:
CVE-2020-3512
NVD Published Date:
Sep 24, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-3512 Details - Not Deferred