CVE-2021-43072

Severity Score

6.7

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track*

*SSVC

Descriptions

A buffer copy without checking size of input ('classic buffer overflow') in Fortinet FortiAnalyzer version 7.0.2 and below, version 6.4.7 and below, version 6.2.9 and below, version 6.0.11 and below, version 5.6.11 and below, FortiManager version 7.0.2 and below, version 6.4.7 and below, version 6.2.9 and below, version 6.0.11 and below, version 5.6.11 and below, FortiOS version 7.0.0 through 7.0.4, 6.4.0 through 6.4.8, 6.2.0 through 6.2.10, 6.0.x and FortiProxy version 7.0.0 through 7.0.3, 2.0.0 through 2.0.8, 1.2.x, 1.1.x and 1.0.x allows attacker to execute unauthorized code or commands via crafted CLI `execute restore image` and `execute certificate remote` operations with the tFTP protocol.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:Track*

Exploitation

None

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2021-10-28 CVE Reserved
2023-07-18 CVE Published
2023-07-28 EPSS Updated
2024-09-17 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CAPEC

References (2)

URL	Tag	Source
https://fortiguard.com/advisory/FG-IR-21-206	Not Applicable

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.fortiguard.com/psirt/FG-IR-21-206	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Fortinet Search vendor "Fortinet"		Fortianalyzer Search vendor "Fortinet" for product "Fortianalyzer"				>= 5.6.0 < 6.4.8 Search vendor "Fortinet" for product "Fortianalyzer" and version " >= 5.6.0 < 6.4.8"		-		Affected
Fortinet Search vendor "Fortinet"		Fortianalyzer Search vendor "Fortinet" for product "Fortianalyzer"				>= 7.0.0 < 7.0.3 Search vendor "Fortinet" for product "Fortianalyzer" and version " >= 7.0.0 < 7.0.3"		-		Affected
Fortinet Search vendor "Fortinet"		Fortimanager Search vendor "Fortinet" for product "Fortimanager"				>= 5.6.0 < 6.4.8 Search vendor "Fortinet" for product "Fortimanager" and version " >= 5.6.0 < 6.4.8"		-		Affected
Fortinet Search vendor "Fortinet"		Fortimanager Search vendor "Fortinet" for product "Fortimanager"				>= 7.0.0 < 7.0.3 Search vendor "Fortinet" for product "Fortimanager" and version " >= 7.0.0 < 7.0.3"		-		Affected
Fortinet Search vendor "Fortinet"		Fortiproxy Search vendor "Fortinet" for product "Fortiproxy"				>= 1.0.0 < 2.0.9 Search vendor "Fortinet" for product "Fortiproxy" and version " >= 1.0.0 < 2.0.9"		-		Affected
Fortinet Search vendor "Fortinet"		Fortiproxy Search vendor "Fortinet" for product "Fortiproxy"				>= 7.0.0 < 7.0.4 Search vendor "Fortinet" for product "Fortiproxy" and version " >= 7.0.0 < 7.0.4"		-		Affected
Fortinet Search vendor "Fortinet"		Fortios Search vendor "Fortinet" for product "Fortios"				>= 6.0.0 < 6.2.11 Search vendor "Fortinet" for product "Fortios" and version " >= 6.0.0 < 6.2.11"		-		Affected
Fortinet Search vendor "Fortinet"		Fortios Search vendor "Fortinet" for product "Fortios"				>= 6.4.0 < 6.4.9 Search vendor "Fortinet" for product "Fortios" and version " >= 6.4.0 < 6.4.9"		-		Affected
Fortinet Search vendor "Fortinet"		Fortios Search vendor "Fortinet" for product "Fortios"				>= 7.0.0 < 7.0.6 Search vendor "Fortinet" for product "Fortios" and version " >= 7.0.0 < 7.0.6"		-		Affected