Memory Exhaustion Vulnerability in FortiSwitch by Fortinet
CVE-2021-26111

6.5MEDIUM

Key Information:

Vendor

Fortinet
Status
Fortinet Fortiswitch
Vendor
CVE Published:
1 June 2021

What is CVE-2021-26111?

FortiSwitch devices from version 3.6.11 and lower to 6.4.6 are vulnerable to a memory exhaustion issue due to a missing release of memory after the effective lifetime. An attacker located on an adjacent network can exploit this vulnerability by sending specially crafted LLDP, CDP, or EDP packets to the affected device, potentially exhausting the available memory and impacting device performance.

Affected Version(s)

Fortinet FortiSwitch 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

References

https://fortiguard.com/advisory/FG-IR-21-026
x_refsource_CONFIRM

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.