SB2021060138 - Denial of service in FortiSwitch



SB2021060138 - Denial of service in FortiSwitch

Published: June 1, 2021

Security Bulletin ID SB2021060138
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Resource exhaustion (CVE-ID: CVE-2021-26111)

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in lldpmedd daemon. A remote attacker on the local network can send specifically crafted LLDP/CDP/EDP packets to the device and exhaust all memory resources.

Remediation

Install update from vendor's website.