VDB-120300 · CVE-2018-7778 · GCVE-0-2018-7778

Schneider Electric Evlink Charging Station prior 3.2.0-12_v1 Web Interface missing authentication

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.
8.4	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Schneider Electric Evlink Charging Station. This issue affects some unknown processing of the component Web Interface. The manipulation results in missing authentication. This vulnerability is known as CVE-2018-7778. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Schneider Electric Evlink Charging Station (SCADA Software). It has been classified as critical. Affected is an unknown code block of the component Web Interface. 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:

In Schneider Electric Evlink Charging Station versions prior to v3.2.0-12_v1, the Web Interface has an issue that may allow a remote attacker to gain administrative privileges without properly authenticating remote users.

The bug was discovered 04/19/2018. The weakness was published 07/03/2018 (Website). The advisory is shared for download at schneider-electric.com. This vulnerability is traded as CVE-2018-7778 since 03/08/2018. 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 was handled as a non-public zero-day exploit for at least 75 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 3.2.0-12_v1 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

SCADA Software

Vendor

Schneider Electric

Name

Evlink Charging Station

License

commercial

Website

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

CPE 2.3info

🔍

CPE 2.2info

🔍

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: 7.0
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
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Evlink Charging Station 3.2.0-12_v1

Timelineinfo

03/08/2018 🔍
04/19/2018 +42 days 🔍
07/03/2018 +74 days 🔍
07/03/2018 +0 days 🔍
07/04/2018 +1 days 🔍
04/03/2023 +1734 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

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

CVE: CVE-2018-7778 (🔍)
GCVE (CVE): GCVE-0-2018-7778
GCVE (VulDB): GCVE-100-120300

Entryinfo

Created: 07/04/2018 08:48
Updated: 04/03/2023 12:38
Changes: 07/04/2018 08:48 (42), 02/25/2020 07:09 (8), 04/03/2023 12:38 (14)
Complete: 🔍
Cache ID: 216::103