CVE-2021-36173

A heap-based buffer overflow in the firmware signature verification function of FortiOS versions 7.0.1, 7.0.0, 6.4.0 through 6.4.6, 6.2.0 through 6.2.9, and 6.0.0 through 6.0.13 may allow an attacker to execute arbitrary code via specially crafted installation images.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://fortiguard.com/advisory/FG-IR-21-115	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios:7.0.0:::::::*
	cpe:2.3:o:fortinet:fortios:7.0.1:::::::*

OR	cpe:2.3:h:fortinet:fortigate-1100e:-:::::::*
	cpe:2.3:h:fortinet:fortigate-200f:-:::::::*
	cpe:2.3:h:fortinet:fortigate-2600f:-:::::::*
	cpe:2.3:h:fortinet:fortigate-3500f:-:::::::*
	cpe:2.3:h:fortinet:fortigate-400e:-:::::::*
	cpe:2.3:h:fortinet:fortigate-600e:-:::::::*
	cpe:2.3:h:fortinet:fortigate_1800f:-:::::::*
	cpe:2.3:h:fortinet:fortigate_2200e:-:::::::*
	cpe:2.3:h:fortinet:fortigate_3300e:-:::::::*
	cpe:2.3:h:fortinet:fortigate_3600e:-:::::::*
	cpe:2.3:h:fortinet:fortigate_40f:-:::::::*
	cpe:2.3:h:fortinet:fortigate_60f:-:::::::*
	cpe:2.3:h:fortinet:fortigate_7121f:-:::::::*

Information

Published : 2021-12-08 11:15

Updated : 2021-12-10 08:37

NVD link : CVE-2021-36173

Mitre link : CVE-2021-36173

JSON object : View

CWE

CWE-787

Out-of-bounds Write

Products Affected

fortinet

fortigate_3300e
fortigate-400e
fortios
fortigate-1100e
fortigate-3500f
fortigate_2200e
fortigate_40f
fortigate_3600e
fortigate_7121f
fortigate-200f
fortigate_60f
fortigate_1800f
fortigate-600e
fortigate-2600f

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8.8 /10