Fortinet FortiProxy/FortiOS 2FA log file

CVSS Meta Temp Score
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CTI Interest Score
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3.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Fortinet FortiProxy and FortiOS. The affected element is an unknown function of the component 2FA. The manipulation leads to log file. This vulnerability is documented as CVE-2025-31514. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Fortinet FortiProxy and FortiOS (affected version unknown). It has been rated as problematic. This issue affects an unknown functionality of the component 2FA. The manipulation with an unknown input leads to a log file vulnerability. Using CWE to declare the problem leads to CWE-532. Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information. Impacted is confidentiality. The summary by CVE is:

An Insertion of Sensitive Information into Log File vulnerability [CWE-532] in FortiOS 7.6.0 through 7.6.3, 7.4 all versions, 7.2 all versions, 7.0 all versions, 6.4 all versions may allow an attacker with at least read-only privileges to retrieve sensitive 2FA-related information via observing logs or via diagnose command.

The advisory is shared at fortiguard.fortinet.com. The identification of this vulnerability is CVE-2025-31514 since 03/31/2025. The exploitation is known to be easy. The attack may be initiated remotely. The exploitation needs additional levels of successful authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 270400 (Fortinet Fortigate Insertion of Sensitive 2FA Information in logs and debug command (FG-IR-24-452)), 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 (270400). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.2
VulDB Meta Temp Score: 3.2

VulDB Base Score: 2.7
VulDB Temp Score: 2.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔒

CNA Base Score: 2.7
CNA Vector (fortinet): 🔒

CVSSv2info

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

Exploitinginfo

Class: Log file
CWE: CWE-532 / CWE-200 / CWE-284
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: 270400
Nessus Name: Fortinet Fortigate Insertion of Sensitive 2FA Information in logs and debug command (FG-IR-24-452)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/31/2025 CVE reserved
10/14/2025 +197 days Advisory disclosed
10/14/2025 +0 days VulDB entry created
10/18/2025 +4 days VulDB entry last update

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-24-452
Status: Confirmed

CVE: CVE-2025-31514 (🔒)
GCVE (CVE): GCVE-0-2025-31514
GCVE (VulDB): GCVE-100-328301

Entryinfo

Created: 10/14/2025 18:38
Updated: 10/18/2025 21:01
Changes: 10/14/2025 18:38 (64), 10/16/2025 05:48 (11), 10/18/2025 21:01 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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