CVE-2021-26111
Last modified
CVE-2021-26111 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.38% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | Fortiswitch | <= 3.6.11 |
| Fortinet | Fortiswitch | >= 6.0.0, <= 6.0.6 |
| Fortinet | Fortiswitch | >= 6.2.0, <= 6.2.6 |
| Fortinet | Fortiswitch | >= 6.4.0, <= 6.4.6 |
References
- https://fortiguard.com/advisory/FG-IR-21-026Vendor Advisory
- https://fortiguard.com/advisory/FG-IR-21-026Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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