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HIGH · 7.2

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 unauthori...

Vulnerability 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.

CVSS Score

7.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Schneider-ElectricSpacelynk Firmware<= 2.6.0
Schneider-ElectricSpacelynk-
Schneider-ElectricHomelynk Firmware<= 2.6.0
Schneider-ElectricHomelynk-

Related Weaknesses (CWE)

CWE-347

References

FAQ

What is CVE-2021-22734?

CVE-2021-22734 is a vulnerability with a CVSS score of 7.2 (HIGH). 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 unauthori...

How severe is CVE-2021-22734?

CVE-2021-22734 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-22734?

Check the references section above for vendor advisories and patch information. Affected products include: Schneider-Electric Spacelynk Firmware, Schneider-Electric Spacelynk, Schneider-Electric Homelynk Firmware, Schneider-Electric Homelynk.