CVE-2021-26103

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

An insufficient verification of data authenticity vulnerability (CWE-345) in the user interface of FortiProxy verison 2.0.3 and below, 1.2.11 and below and FortiGate verison 7.0.0, 6.4.6 and below, 6.2.9 and below of SSL VPN portal may allow a remote, unauthenticated attacker to conduct a cross-site request forgery (CSRF) attack . Only SSL VPN in web mode or full mode are impacted by this vulnerability.

Una vulnerabilidad de verificación insuficiente de la autenticidad de los datos (CWE-345) en la interfaz de usuario de FortiProxy versión 2.0.3 y anteriores, 1.2.11 y anteriores y FortiGate versión 7.0.0, 6.4.6 y anteriores, 6.2.9 y anteriores del portal SSL VPN puede permitir a un atacante remoto no autenticado realizar un ataque de tipo cross-site request forgery (CSRF). Sólo la VPN SSL en modo web o en modo completo está afectada por esta vulnerabilidad

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Attack Vector

Network

Attack Complexity

High

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2021-01-25 CVE Reserved
2021-12-08 CVE Published
2024-08-23 EPSS Updated
2024-10-25 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-345: Insufficient Verification of Data Authenticity

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://fortiguard.com/advisory/FG-IR-20-158	2021-12-09

URL	Date	SRC

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"				>= 1.2.0 <= 1.2.11 Search vendor "Fortinet" for product "Fortiproxy" and version " >= 1.2.0 <= 1.2.11"		-		Affected
Fortinet Search vendor "Fortinet"		Fortiproxy Search vendor "Fortinet" for product "Fortiproxy"				>= 2.0.0 <= 2.0.3 Search vendor "Fortinet" for product "Fortiproxy" and version " >= 2.0.0 <= 2.0.3"		-		Affected
Fortinet Search vendor "Fortinet"		Fortios Search vendor "Fortinet" for product "Fortios"				>= 5.6.0 <= 5.6.14 Search vendor "Fortinet" for product "Fortios" and version " >= 5.6.0 <= 5.6.14"		-		Affected
Fortinet Search vendor "Fortinet"		Fortios Search vendor "Fortinet" for product "Fortios"				>= 6.0.0 <= 6.0.13 Search vendor "Fortinet" for product "Fortios" and version " >= 6.0.0 <= 6.0.13"		-		Affected
Fortinet Search vendor "Fortinet"		Fortios Search vendor "Fortinet" for product "Fortios"				>= 6.2.0 <= 6.2.9 Search vendor "Fortinet" for product "Fortios" and version " >= 6.2.0 <= 6.2.9"		-		Affected
Fortinet Search vendor "Fortinet"		Fortios Search vendor "Fortinet" for product "Fortios"				>= 6.4.0 <= 6.4.6 Search vendor "Fortinet" for product "Fortios" and version " >= 6.4.0 <= 6.4.6"		-		Affected
Fortinet Search vendor "Fortinet"		Fortios Search vendor "Fortinet" for product "Fortios"				7.0.0 Search vendor "Fortinet" for product "Fortios" and version "7.0.0"		-		Affected