Medium severity · published Jun 1, 2021
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…
6.5
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Fortiswitch · Fortinet
through 3.6.11; 6.0.0 through 6.0.6; 6.2.0 through 6.2.6; 6.4.0 through 6.4.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-26111
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-26111
Vendor Advisory
https://fortiguard.com/advisory/FG-IR-21-026
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