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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
fortinetfortiswitch
𝑥
≤ 3.6.11
fortinetfortiswitch
6.0.0 ≤
𝑥
≤ 6.0.6
fortinetfortiswitch
6.2.0 ≤
𝑥
≤ 6.2.6
fortinetfortiswitch
6.4.0 ≤
𝑥
≤ 6.4.6
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://fortiguard.com/advisory/FG-IR-21-026
https://fortiguard.com/advisory/FG-IR-21-026