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.

CVSS v3 6.5 MEDIUM
CVSS v2.0 3.3 LOW

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

3.3^/10

CVSS v2.0 : LOW

Vector : AV:A/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 6.5 / Impact : 2.9

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://fortiguard.com/advisory/FG-IR-21-026	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:fortinet:fortiswitch::::::::
	cpe:2.3:o:fortinet:fortiswitch::::::::
	cpe:2.3:o:fortinet:fortiswitch::::::::
	cpe:2.3:o:fortinet:fortiswitch::::::::

History

11 Jun 2021, 15:23

Type	Values Removed	Values Added
References	~~(CONFIRM) https://fortiguard.com/advisory/FG-IR-21-026 -~~	(CONFIRM) https://fortiguard.com/advisory/FG-IR-21-026 - Vendor Advisory
CWE		CWE-401
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 3.3 v3 : 6.5
CPE		cpe:2.3:o:fortinet:fortiswitch::::::::

01 Jun 2021, 20:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-06-01 20:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-26111

Mitre link : CVE-2021-26111

CVE.ORG link : CVE-2021-26111

JSON object : View

Products Affected

fortinet

fortiswitch

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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