VDB-116579 · CVE-2018-7243 · GCVE-0-2018-7243

Schneider Electric 66074 MGE Network Management Card Integrated Web Server access control

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.
8.3	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Schneider Electric 66074 MGE Network Management Card. Affected by this issue is some unknown functionality of the component Integrated Web Server. The manipulation leads to access control. This vulnerability is traded as CVE-2018-7243. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to apply restrictive firewalling.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Schneider Electric 66074 MGE Network Management Card (affected version unknown). This issue affects an unknown functionality of the component Integrated Web Server. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An authorization bypass vulnerability exists In Schneider Electric's 66074 MGE Network Management Card Transverse installed in MGE UPS and MGE STS. The integrated web server (Port 80/443/TCP) of the affected devices could allow a remote attacker to get a full access to device, bypassing the authorization system.

The bug was discovered 03/15/2018. The weakness was shared 04/18/2018 (Website). It is possible to read the advisory at schneider-electric.com. The identification of this vulnerability is CVE-2018-7243 since 02/19/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 34 days. During that time the estimated underground price was around $0-$5k.

Addressing this vulnerability is possible by firewalling .

The entries VDB-116580, VDB-116581 and VDB-116582 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

SCADA Software

Vendor

Schneider Electric

Name

66074 MGE Network Management Card

License

commercial

Website

Vendor: https://www.schneider-electric.com/

CPE 2.3info

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CPE 2.2info

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CVSSv4info

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: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/19/2018 🔍
03/15/2018 +24 days 🔍
04/18/2018 +33 days 🔍
04/18/2018 +0 days 🔍
04/19/2018 +1 days 🔍
01/27/2020 +648 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: schneider-electric.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-7243 (🔍)
GCVE (CVE): GCVE-0-2018-7243
GCVE (VulDB): GCVE-100-116579
See also: 🔍

Entryinfo

Created: 04/19/2018 08:45
Updated: 01/27/2020 19:14
Changes: 04/19/2018 08:45 (57), 01/27/2020 19:14 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.