CVE-2021-26103

MEDIUM

FortiProxy < 1.2.11 and FortiGate < 6.2.9, 6.4.6, 7.0.0 - Unauthenticated Cross-Site Request Forgery via SSL VPN Portal

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_confirm
https://fortiguard.com/advisory/FG-IR-20-158

Scores

CVSS v3 6.3
EPSS 0.0029
EPSS Percentile 52.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-345
Status published
Products (3)
fortinet/fortios 7.0.0
fortinet/fortios 5.6.0 - 5.6.14
fortinet/fortiproxy 1.2.0 - 1.2.11
Published Dec 08, 2021
Tracked Since Feb 18, 2026