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 v3.0 6.7 MEDIUM
CVSS v2.0 4.6 MEDIUM

6.7^/10

CVSS v3.0 : MEDIUM

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

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

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:fortinet:fortianalyzer::::::::
	cpe:2.3:a:fortinet:fortimanager::::::::
	cpe:2.3:a:fortinet:fortiweb::::::::
	cpe:2.3:o:fortinet:fortios::::::::

Information

Published : 2021-12-08 03:15

Updated : 2021-12-09 09:41

NVD link : CVE-2021-42757

Mitre link : CVE-2021-42757

JSON object : View

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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Products Affected

fortinet

fortios
fortiweb
fortianalyzer
fortimanager

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