CVE-2021-42757

A buffer overflow [CWE-121] in the TFTP client library of FortiOS before 6.4.7 and FortiOS 7.0.0 through 7.0.2, may allow an authenticated local attacker to achieve arbitrary code execution via specially crafted command line arguments.

CVSS v3 6.7 MEDIUM
CVSS v2.0 4.6 MEDIUM

6.7^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://fortiguard.com/advisory/FG-IR-21-173	Vendor Advisory
https://fortiguard.com/advisory/FG-IR-21-173	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:fortinet:fortiadc::::::::
	cpe:2.3:a:fortinet:fortiadc::::::::
	cpe:2.3:a:fortinet:fortianalyzer::::::::
	cpe:2.3:a:fortinet:fortianalyzer::::::::
	cpe:2.3:a:fortinet:fortimail::::::::
	cpe:2.3:a:fortinet:fortimail::::::::
	cpe:2.3:a:fortinet:fortimail::::::::
	cpe:2.3:a:fortinet:fortimanager::::::::
	cpe:2.3:a:fortinet:fortimanager::::::::
	cpe:2.3:a:fortinet:fortindr::::::::
	cpe:2.3:a:fortinet:fortios-6k7k::::::::
	cpe:2.3:a:fortinet:fortios-6k7k:6.4.2:::::::*
	cpe:2.3:a:fortinet:fortios-6k7k:6.4.6:::::::*
	cpe:2.3:a:fortinet:fortiportal::::::::
	cpe:2.3:a:fortinet:fortiproxy::::::::
	cpe:2.3:a:fortinet:fortiproxy:7.0.0:::::::*
	cpe:2.3:a:fortinet:fortiproxy:7.0.1:::::::*
	cpe:2.3:a:fortinet:fortivoice::::::::
	cpe:2.3:a:fortinet:fortivoice::::::::
	cpe:2.3:a:fortinet:fortiweb::::::::
	cpe:2.3:a:fortinet:fortiweb:6.4.0:::::::*
	cpe:2.3:a:fortinet:fortiweb:6.4.1:::::::*
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortirecorder_firmware::::::::
	cpe:2.3:o:fortinet:fortirecorder_firmware::::::::
	cpe:2.3:o:fortinet:fortiswitch::::::::
	cpe:2.3:o:fortinet:fortiswitch::::::::

History

21 Nov 2024, 06:28

Type	Values Removed	Values Added
References	~~() https://fortiguard.com/advisory/FG-IR-21-173 - Vendor Advisory~~	() https://fortiguard.com/advisory/FG-IR-21-173 - Vendor Advisory

18 Jan 2024, 15:48

Type	Values Removed	Values Added
CPE	cpe:2.3:a:fortinet:fortivoice:::::entreprise:::*	cpe:2.3:a:fortinet:fortivoice::::::::

Information

Published : 2021-12-08 11:15

Updated : 2024-11-21 06:28

NVD link : CVE-2021-42757

Mitre link : CVE-2021-42757

CVE.ORG link : CVE-2021-42757

JSON object : View

Products Affected

fortinet

fortimanager
fortios
fortiswitch
fortiadc
fortivoice
fortiproxy
fortindr
fortianalyzer
fortios-6k7k
fortirecorder_firmware
fortiweb
fortimail
fortiportal

CWE

CWE-787

Out-of-bounds Write

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6.7 /10