Fortinet FortiProxy/FortiOS up to 7.4.1 IPSec VPN origin validation

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Fortinet FortiProxy and FortiOS up to 7.4.1 and classified as problematic. This affects an unknown function of the component IPSec VPN. The manipulation leads to origin validation. This vulnerability is uniquely identified as CVE-2023-46715. 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 FortiProxy and FortiOS up to 7.4.1 and classified as problematic. This issue affects an unknown part of the component IPSec VPN. The manipulation with an unknown input leads to a origin validation vulnerability. Using CWE to declare the problem leads to CWE-346. The product does not properly verify that the source of data or communication is valid. Impacted is integrity. The summary by CVE is:

An origin validation error [CWE-346] vulnerability in Fortinet FortiOS IPSec VPN version 7.4.0 through 7.4.1 and version 7.2.6 and below allows an authenticated IPSec VPN user with dynamic IP addressing to send (but not receive) packets spoofing the IP of another user via crafted network packets.

The advisory is shared at fortiguard.com. The identification of this vulnerability is CVE-2023-46715 since 10/25/2023. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 214090 (Fortinet Fortigate IPsec dynamic assignation IP spoofing (FG-IR-23-407)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (214090). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.5

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CNA Base Score: 5.0
CNA Vector (fortinet): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Origin validation
CWE: CWE-346 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 214090
Nessus Name: Fortinet Fortigate IPsec dynamic assignation IP spoofing (FG-IR-23-407)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/25/2023 🔍
01/14/2025 +447 days 🔍
01/14/2025 +0 days 🔍
02/01/2025 +18 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-23-407
Status: Confirmed

CVE: CVE-2023-46715 (🔍)
GCVE (CVE): GCVE-0-2023-46715
GCVE (VulDB): GCVE-100-291497

Entryinfo

Created: 01/14/2025 15:29
Updated: 02/01/2025 03:17
Changes: 01/14/2025 15:29 (64), 01/15/2025 05:57 (2), 02/01/2025 03:17 (14)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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