Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-22734

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
26/05/2021
Last modified:
04/06/2021

Description

Improper Verification of Cryptographic Signature vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause remote code execution when an attacker loads unauthorized code.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.20 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.20
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:S/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
6.50
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:schneider-electric:spacelynk_firmware:*:*:*:*:*:*:*:* 2.6.0 (including)
cpe:2.3:h:schneider-electric:spacelynk:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:homelynk_firmware:*:*:*:*:*:*:*:* 2.6.0 (including)
cpe:2.3:h:schneider-electric:homelynk:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools