VDB-295375 · CVE-2025-24472 · FG-IR-24-535

Fortinet FortiOS/FortiProxy CSF Proxy Request authentication bypass

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.
7.8	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Fortinet FortiOS and FortiProxy and classified as critical. This vulnerability affects unknown code of the component CSF Proxy Request Handler. This manipulation causes authentication bypass. This vulnerability is registered as CVE-2025-24472. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Fortinet FortiOS and FortiProxy (the affected version unknown) and classified as critical. Affected by this vulnerability is an unknown part of the component CSF Proxy Request Handler. The manipulation with an unknown input leads to a authentication bypass vulnerability. The CWE definition for the vulnerability is CWE-288. A product requires authentication, but the product has an alternate path or channel that does not require authentication. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS 7.0.0 through 7.0.16 and FortiProxy 7.2.0 through 7.2.12, 7.0.0 through 7.0.19 may allow a remote attacker to gain super-admin privileges via crafted CSF proxy requests.

It is possible to read the advisory at fortiguard.fortinet.com. This vulnerability is known as CVE-2025-24472 since 01/21/2025. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but an exploit is available.

It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 03/18/2025 with a due date of 04/08/2025:

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Upgrading eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Firewall Software

Vendor

Fortinet

Name

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 8.1
CNA Vector (fortinet): 🔍

CVSSv2info

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

Exploitinginfo

Class: Authentication bypass
CWE: CWE-288 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

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: 🔍

Timelineinfo

01/21/2025 🔍
02/11/2025 +21 days 🔍
02/11/2025 +0 days 🔍
03/20/2025 +37 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-24-535
Status: Confirmed

CVE: CVE-2025-24472 (🔍)
GCVE (CVE): GCVE-0-2025-24472
GCVE (VulDB): GCVE-100-295375
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/11/2025 20:02
Updated: 03/20/2025 09:02
Changes: 02/11/2025 20:02 (64), 03/18/2025 20:06 (13), 03/19/2025 03:13 (1), 03/20/2025 09:02 (11)
Complete: 🔍
Cache ID: 216::103