VDB-232277 · CVE-2023-33300 · FG-IR-23-096

Fortinet FortiNAC up to 7.2.1/9.4.3 Service Port 5555 argument injection

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.2	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Fortinet FortiNAC up to 7.2.1/9.4.3 and classified as critical. Affected by this issue is some unknown functionality of the component Service Port 5555. The manipulation leads to argument injection. This vulnerability is uniquely identified as CVE-2023-33300. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Fortinet FortiNAC up to 7.2.1/9.4.3 and classified as critical. This issue affects an unknown part of the component Service Port 5555. The manipulation with an unknown input leads to a argument injection vulnerability. Using CWE to declare the problem leads to CWE-88. The product constructs a string for a command to be executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A improper neutralization of special elements used in a command ('command injection') in Fortinet FortiNAC 7.2.1 and earlier, 9.4.3 and earlier allows attacker a limited, unauthorized file access via specifically crafted request in inter-server communication port.

The weakness was disclosed 06/23/2023 as FG-IR-23-096. The advisory is shared at fortiguard.com. The identification of this vulnerability is CVE-2023-33300 since 05/22/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

Upgrading to version 7.2.2 or 9.4.4 eliminates this vulnerability.

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Productinfo

Vendor

Fortinet

Name

FortiNAC

Version

License

commercial

Website

Vendor: https://www.fortinet.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Argument injection
CWE: CWE-88 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FortiNAC 7.2.2/9.4.4

Timelineinfo

05/22/2023 🔍
06/23/2023 +32 days 🔍
06/23/2023 +0 days 🔍
07/24/2025 +761 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-23-096
Status: Confirmed

CVE: CVE-2023-33300 (🔍)
GCVE (CVE): GCVE-0-2023-33300
GCVE (VulDB): GCVE-100-232277

Entryinfo

Created: 06/23/2023 15:16
Updated: 07/24/2025 00:14
Changes: 06/23/2023 15:16 (22), 06/23/2023 15:17 (18), 03/15/2025 03:48 (27), 07/24/2025 00:14 (1)
Complete: 🔍
Cache ID: 216::103