vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2023-33306

MEDIUM
6.5
CVSS Score
Published: June 16, 2023 at 09:40 AM UTC
Updated: June 17, 2026 at 06:01 AM UTC
2 products affected across 1 vendorFortiOSFortiProxy

Using FortiOS by Fortinet?

Get instant alerts when new vulnerabilities affect FortiOS - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM6.5
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

FortiOS· Fortinet
95%
6.4.0 ≤ v ≤ 6.4.126.4.0 ≤ v < 6.4.137.0.0 ≤ v ≤ 7.0.107.0.0 ≤ v < 7.0.117.2.0 ≤ v ≤ 7.2.47.2.0 ≤ v < 7.2.56.4.07.0.07.2.0
Affected range stops below 6.4.13, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.0.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.2.5, so it looks safe — our inference, not a vendor statement
FortiProxy· Fortinet
95%
7.0.0 ≤ v ≤ 7.0.97.0.0 ≤ v < 7.0.107.2.0 ≤ v ≤ 7.2.37.2.0 ≤ v < 7.2.47.0.07.2.0
Affected range stops below 7.0.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.2.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://fortiguard.com/psirt/FG-IR-23-015

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card