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.
5.4	$0-$5k	0.00

A vulnerability was found in Fortinet FortiOS up to 5.2.10 (Firewall Software). It has been classified as problematic. This affects the function srcintf of the component Firewall Policy Creator. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

A Cross-Site Scripting vulnerability in Fortinet FortiGate 5.2.0 through 5.2.10 allows attacker to execute unauthorized code or commands via the srcintf parameter during Firewall Policy Creation.

The bug was discovered 04/19/2017. The weakness was published 04/19/2017 by Amir Morshedizadeh as FG-IR-17-017 as confirmed advisory (Website). The advisory is shared at fortiguard.com. The public release has been coordinated with Fortinet. This vulnerability is uniquely identified as CVE-2017-3127 since 12/02/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 99969 (Fortinet FortiOS 5.2.x < 5.2.11 srcintf XSS (FG-IR-17-017)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Firewalls and running in the context l.

Upgrading to version 5.2.11 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (99969).

Productinfo

Type

• Firewall Software

Vendor

• Fortinet

Name

• FortiOS

Version

• 5.2.0
• 5.2.1
• 5.2.2
• 5.2.3
• 5.2.4
• 5.2.5
• 5.2.6
• 5.2.7
• 5.2.8
• 5.2.9
• 5.2.10

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-74 / CWE-707
ATT&CK: T1059.007

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

Nessus ID: 99969
Nessus Name: Fortinet FortiOS 5.2.x < 5.2.11 srcintf XSS (FG-IR-17-017)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: FortiOS 5.2.11

Timelineinfo

12/02/2016 🔍
04/19/2017 +138 days 🔍
04/19/2017 +0 days 🔍
04/19/2017 +0 days 🔍
04/19/2017 +0 days 🔍
04/27/2017 +8 days 🔍
04/29/2017 +2 days 🔍
05/03/2017 +4 days 🔍
06/01/2017 +29 days 🔍
01/11/2020 +954 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-17-017
Researcher: Amir Morshedizadeh
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2017-3127 (🔍)
SecurityTracker: 1038367
SecurityFocus: 98048 - Fortinet FortiOS CVE-2017-3127 Cross Site Scripting Vulnerability

Entryinfo

Created: 04/29/2017 20:28
Updated: 01/11/2020 08:07
Changes: 04/29/2017 20:28 (77), 01/11/2020 08:07 (5)
Complete: 🔍

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