7.2 - CVE-2021-22734

Executive Summary

Informations
Name	CVE-2021-22734	First vendor Publication	2021-05-26
Vendor	Cve	Last vendor Modification	2021-06-04

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score	7.2
Base Score	7.2	Environmental Score	7.2
impact SubScore	5.9	Temporal Score	7.2
Exploitabality Sub Score	1.2

Attack Vector	Network	Attack Complexity	Low
Privileges Required	High	User Interaction	None
Scope	Unchanged	Confidentiality Impact	High
Integrity Impact	High	Availability Impact	High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:S/C:P/I:P/A:P)
Cvss Base Score	6.5	Attack Range	Network
Cvss Impact Score	6.4	Attack Complexity	Low
Cvss Expoit Score	8	Authentication	Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22734

CWE : Common Weakness Enumeration

%	Id	Name
100 %	CWE-347	Improper Verification of Cryptographic Signature

CPE : Common Platform Enumeration

Type	Description	Count
Os	Schneider-Electric Homelynk Firmware cpe:2.3:o:schneider-electric:homelynk_firmware:2.0.1:::::::*	1
Os	Schneider-Electric Spacelynk Firmware cpe:2.3:o:schneider-electric:spacelynk_firmware:2.1.0:::::::* cpe:2.3:o:schneider-electric:spacelynk_firmware::::::::	2

Sources (Detail)

Source	Url
MISC	https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04

Alert History

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Date	Informations
2021-06-04 21:23:08	Multiple Updates
2021-05-29 01:39:52	Multiple Updates
2021-05-29 01:39:15	Multiple Updates
2021-05-29 00:22:46	Multiple Updates
2021-05-27 00:22:46	First insertion