CVE Vulnerabilities

CVE-2021-22737

Improper Restriction of Excessive Authentication Attempts

Published: May 26, 2021 | Modified: Nov 21, 2024
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu
root.io logo minimus.io logo echo.ai logo

Insufficiently Protected Credentials vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior that could cause unauthorized access of when credentials are discovered after a brute force attack.

Weakness

The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.

Affected Software

NameVendorStart VersionEnd Version
Spacelynk_firmwareSchneider-electric*2.6.0 (including)

Potential Mitigations

  • Common protection mechanisms include:

  • Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid [REF-1482].

  • Consider using libraries with authentication capabilities such as OpenSSL or the ESAPI Authenticator. [REF-45]

References