CVE-2024-21762

Fortinet FortiOS Out-of-Bound Write Vulnerability

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

Act

*SSVC

Descriptions

A out-of-bounds write in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, 6.4.0 through 6.4.14, 6.2.0 through 6.2.15, 6.0.0 through 6.0.17, FortiProxy versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.8, 7.0.0 through 7.0.14, 2.0.0 through 2.0.13, 1.2.0 through 1.2.13, 1.1.0 through 1.1.6, 1.0.0 through 1.0.7 allows attacker to execute unauthorized code or commands via specifically crafted requests

Una escritura fuera de los límites en Fortinet FortiOS versiones 7.4.0 a 7.4.2, 7.2.0 a 7.2.6, 7.0.0 a 7.0.13, 6.4.0 a 6.4.14, 6.2.0 a 6.2.15 , 6.0.0 a 6.0.17, y versiones de FortiProxy 7.4.0 a 7.4.2, 7.2.0 a 7.2.8, 7.0.0 a 7.0.14, 2.0.0 a 2.0.13, 1.2.0 a 1.2.13 , 1.1.0 a 1.1.6, 1.0.0 a 1.0.7. Permite al atacante ejecutar código o comandos no autorizados a través de solicitudes específicamente manipuladas

Fortinet FortiOS suffers from an out of bounds write vulnerability. Affected includes Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, 6.4.0 through 6.4.14, 6.2.0 through 6.2.15, 6.0.0 through 6.0.17, FortiProxy versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.8, 7.0.0 through 7.0.14, 2.0.0 through 2.0.13, 1.2.0 through 1.2.13, 1.1.0 through 1.1.6, and 1.0.0 through 1.0.7.

Fortinet FortiOS contains an out-of-bound write vulnerability that allows a remote unauthenticated attacker to execute code or commands via specially crafted HTTP requests.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Act

Exploitation

Active

Automatable

Yes

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2024-01-02 CVE Reserved
2024-02-09 CVE Published
2024-02-09 Exploited in Wild
2024-02-16 KEV Due Date
2024-03-14 First Exploit
2024-08-01 CVE Updated
2025-02-15 EPSS Updated

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (9)

URL	Tag	Source

URL	Date	SRC
https://packetstorm.news/files/id/177602	2024-03-14
https://github.com/r4p3c4/CVE-2024-21762-Exploit-PoC-Fortinet-SSL-VPN-Check	2024-03-24
https://github.com/d0rb/CVE-2024-21762	2024-03-17
https://github.com/h4x0r-dz/CVE-2024-21762	2024-03-16
https://github.com/cleverg0d/CVE-2024-21762-Checker	2024-03-25
https://github.com/BishopFox/cve-2024-21762-check	2024-11-20
https://github.com/rdoix/cve-2024-21762-checker	2024-06-20
https://github.com/XiaomingX/cve-2024-21762-poc	2024-12-04

URL	Date	SRC

URL	Date	SRC
https://fortiguard.com/psirt/FG-IR-24-015	2024-02-13

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Fortinet Search vendor "Fortinet"		Fortiproxy Search vendor "Fortinet" for product "Fortiproxy"				>= 1.0.0 < 2.0.14 Search vendor "Fortinet" for product "Fortiproxy" and version " >= 1.0.0 < 2.0.14"		-		Affected
Fortinet Search vendor "Fortinet"		Fortiproxy Search vendor "Fortinet" for product "Fortiproxy"				>= 7.0.0 < 7.0.15 Search vendor "Fortinet" for product "Fortiproxy" and version " >= 7.0.0 < 7.0.15"		-		Affected
Fortinet Search vendor "Fortinet"		Fortiproxy Search vendor "Fortinet" for product "Fortiproxy"				>= 7.2.0 < 7.2.9 Search vendor "Fortinet" for product "Fortiproxy" and version " >= 7.2.0 < 7.2.9"		-		Affected
Fortinet Search vendor "Fortinet"		Fortiproxy Search vendor "Fortinet" for product "Fortiproxy"				>= 7.4.0 < 7.4.3 Search vendor "Fortinet" for product "Fortiproxy" and version " >= 7.4.0 < 7.4.3"		-		Affected
Fortinet Search vendor "Fortinet"		Fortios Search vendor "Fortinet" for product "Fortios"				>= 6.0.0 < 6.2.16 Search vendor "Fortinet" for product "Fortios" and version " >= 6.0.0 < 6.2.16"		-		Affected
Fortinet Search vendor "Fortinet"		Fortios Search vendor "Fortinet" for product "Fortios"				>= 6.4.0 < 6.4.15 Search vendor "Fortinet" for product "Fortios" and version " >= 6.4.0 < 6.4.15"		-		Affected
Fortinet Search vendor "Fortinet"		Fortios Search vendor "Fortinet" for product "Fortios"				>= 7.0.0 < 7.0.14 Search vendor "Fortinet" for product "Fortios" and version " >= 7.0.0 < 7.0.14"		-		Affected
Fortinet Search vendor "Fortinet"		Fortios Search vendor "Fortinet" for product "Fortios"				>= 7.2.0 < 7.2.7 Search vendor "Fortinet" for product "Fortios" and version " >= 7.2.0 < 7.2.7"		-		Affected
Fortinet Search vendor "Fortinet"		Fortios Search vendor "Fortinet" for product "Fortios"				>= 7.4.0 < 7.4.3 Search vendor "Fortinet" for product "Fortios" and version " >= 7.4.0 < 7.4.3"		-		Affected