What’s Vulnerable › Vulnerabilities

CVE-2023-33306

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-16 · updated 2026-06-17
• Weakness: CWE-476

Description

A null pointer dereference in Fortinet FortiOS before 7.2.5, before 7.0.11 and before 6.4.13, FortiProxy before 7.2.4 and before 7.0.10 allows attacker to denial of sslvpn service via specifically crafted request in bookmark parameter.

Affected products

• Fortinet FortiOS (FortiGate): from 6.4.0 before 6.4.13; from 7.0.0 before 7.0.11; from 7.2.0 before 7.2.5 — fixed in 6.4.13, 7.0.11, 7.2.5
• Fortinet FortiProxy: from 7.0.0 before 7.0.10; from 7.2.0 before 7.2.4 — fixed in 7.0.10, 7.2.4

How to fix

Upgrade to a fixed version: Fortinet FortiOS (FortiGate) 6.4.13, 7.0.11, 7.2.5; Fortinet FortiProxy 7.0.10, 7.2.4. Check the vendor advisory for mitigations.

References

• https://fortiguard.com/psirt/FG-IR-23-015
• https://fortiguard.com/psirt/FG-IR-23-015

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