CVE-2021-22734

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.

CVSS v3 7.2 HIGH
CVSS v2.0 6.5 MEDIUM

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:schneider-electric:spacelynk_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:spacelynk:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:schneider-electric:homelynk_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:homelynk:-:*:*:*:*:*:*:*

History

04 Jun 2021, 14:17

Type	Values Removed	Values Added
References	~~(MISC) https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04 -~~	(MISC) https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04 - Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 6.5 v3 : 7.2
CPE		cpe:2.3:o:schneider-electric:spacelynk_firmware:::::::: cpe:2.3:o:schneider-electric:homelynk_firmware:::::::: cpe:2.3:h:schneider-electric:spacelynk:-:::::::* cpe:2.3:h:schneider-electric:homelynk:-:::::::*

26 May 2021, 20:49

Type	Values Removed	Values Added
CWE		CWE-347

26 May 2021, 20:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-05-26 20:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-22734

Mitre link : CVE-2021-22734

CVE.ORG link : CVE-2021-22734

JSON object : View

Products Affected

schneider-electric

homelynk_firmware
spacelynk
spacelynk_firmware
homelynk

CWE

CWE-347

Improper Verification of Cryptographic Signature

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