Vulnerability Database

308,485

Total vulnerabilities in the database

CVE-2021-26111

A missing release of memory after effective lifetime vulnerability in FortiSwitch 6.4.0 to 6.4.6, 6.2.0 to 6.2.6, 6.0.0 to 6.0.6, 3.6.11 and below may allow an attacker on an adjacent network to exhaust available memory by sending specifically crafted LLDP/CDP/EDP packets to the device.

  • Published: Jun 1, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-26111
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.5
  • AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Low
  • Score: 3.3
  • AV:A/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
fortinet / fortiswitch - 3.6.11.x
fortinet / fortiswitch 6.0.0 6.0.6.x
fortinet / fortiswitch 6.2.0 6.2.6.x
fortinet / fortiswitch 6.4.0 6.4.6.x