Schneider Electric Wiser for KNX/homeLYnk/spaceLYnk up to 2.1.0 ftp access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

A vulnerability was found in Schneider Electric Wiser for KNX, homeLYnk and spaceLYnk up to 2.1.0 (SCADA Software). It has been declared as critical. Affected by this vulnerability is some unknown processing of the component ftp. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In Schneider Electric Wiser for KNX V2.1.0 and prior, homeLYnk V2.0.1 and prior; and spaceLYnk V2.1.0 and prior, weak and unprotected FTP access could allow an attacker unauthorized access.

The bug was discovered 04/19/2018. The weakness was released 07/03/2018 (Website). The advisory is shared at schneider-electric.com. This vulnerability is known as CVE-2018-7779 since 03/08/2018. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

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.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entries connected to this vulnerability are available at VDB-141714, VDB-144441, VDB-161064 and VDB-177629.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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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: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

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-2018-7779 (🔍)
See also: 🔍

Entryinfo

Created: 07/04/2018 11:49 AM
Updated: 04/03/2023 12:46 PM
Changes: 07/04/2018 11:49 AM (42), 02/25/2020 07:21 AM (8), 04/03/2023 12:46 PM (13)
Complete: 🔍
Cache ID: 44:0B0:40

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