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CRITICAL · 9.8

CVE-2021-22738

Use of a Broken or Risky Cryptographic Algorithm vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior that could cause unauthorized access when credentials are discovered aft...

Vulnerability Description

Use of a Broken or Risky Cryptographic Algorithm vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior that could cause unauthorized access when credentials are discovered after a brute force attack.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
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-327

References

FAQ

What is CVE-2021-22738?

CVE-2021-22738 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Use of a Broken or Risky Cryptographic Algorithm vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior that could cause unauthorized access when credentials are discovered aft...

How severe is CVE-2021-22738?

CVE-2021-22738 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-22738?

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.