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.
8.2	$0-$5k	0.00

A vulnerability classified as critical has been found in Schneider Electric InduSoft Web Studio and InTouch Machine Edition up to 8.0 SP2 (SCADA Software). Affected is an unknown function. The manipulation with an unknown input leads to a missing authentication vulnerability. CWE is classifying the issue as CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A Missing Authentication for Critical Function issue was discovered in Schneider Electric InduSoft Web Studio v8.0 SP2 or prior, and InTouch Machine Edition v8.0 SP2 or prior. InduSoft Web Studio provides the capability for an HMI client to trigger script execution on the server for the purposes of performing customized calculations or actions. A remote malicious entity could bypass the server authentication and trigger the execution of an arbitrary command. The command is executed under high privileges and could lead to a complete compromise of the server.

The bug was discovered 09/21/2017. The weakness was disclosed 10/03/2017 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2017-13997 since 08/30/2017. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 104101 (Schneider Electric InduSoft Web Studio < 8.0 SP2 Patch 1 Unspecified Remote Command Execution (LFSEC00000121)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SCADA and running in the context r.

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (104101).

Productinfo

Type

• SCADA Software

Vendor

• Schneider Electric

Name

• InduSoft Web Studio
• InTouch Machine Edition

Version

• 8.0 SP2

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: 8.5
VulDB Meta Temp Score: 8.4

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

NVD Base Score: 9.8
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: Missing authentication
CWE: CWE-306 / CWE-287
ATT&CK: Unknown

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: 104101
Nessus Name: Schneider Electric InduSoft Web Studio < 8.0 SP2 Patch 1 Unspecified Remote Command Execution (LFSEC00000121)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 863876
OpenVAS Name: InduSoft Web Studio Authentication Bypass Vulnerability Nov17 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/30/2017 🔍
09/15/2017 +16 days 🔍
09/21/2017 +6 days 🔍
09/21/2017 +0 days 🔍
10/02/2017 +11 days 🔍
10/03/2017 +1 days 🔍
10/03/2017 +0 days 🔍
10/23/2017 +20 days 🔍
01/15/2021 +1180 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: securityfocus.com⛔
Researcher: Aaron Portnoy.
Status: Not defined

CVE: CVE-2017-13997 (🔍)
SecurityFocus: 100952 - Multiple Schneider Electric Products CVE-2017-13997 Authentication Bypass Vulnerability

Entryinfo

Created: 10/03/2017 10:54
Updated: 01/15/2021 08:16
Changes: 10/03/2017 10:54 (68), 11/21/2019 10:05 (5), 01/15/2021 08:16 (3)
Complete: 🔍

Discussion

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