CVE-2021-22738CWE-327

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…

published May 26, 2021

CVSS
—
EPSS
1%
Percentile
49.6
In the wild
Unconfirmed
What it is

⚠️ A hidden vulnerability lurks in homeLYnk and spaceLYnk versions prior to 2.60, allowing attackers to crack your credentials like a master lockpicker! 🔐 Imagine a hotel that gives out keys without checking the guest's ID—once someone figures out how to pick that lock, they're in! This vulnerability relies on a broken or risky cryptographic algorithm that makes it easier for attackers to brute force their way in. If exploited, this flaw could allow unauthorized access, potentially exposing your system to malicious actors. They could gain control of connected devices, manipulate settings, or even gather sensitive data, creating a domino effect of chaos. Think of it as handing over the keys to your home without realizing the door was never locked!

Put simply

Imagine a hotel that gives out keys without checking the guest's ID—once someone figures out how to pick that lock, they're in! This vulnerability relies on a broken or risky cryptographic algorithm that makes it easier for attackers to brute force their way in. The vulnerability exists due to the use of a flawed cryptographic algorithm in homeLYnk (Wiser For KNX) and spaceLYnk, allowing attackers to brute force credentials more easily than intended. When the algorithm is weak, it becomes a playground for attackers looking to gain unauthorized access.

What to do

If exploited, this flaw could allow unauthorized access, potentially exposing your system to malicious actors. They could gain control of connected devices, manipulate settings, or even gather sensitive data, creating a domino effect of chaos. Think of it as handing over the keys to your home without realizing the door was never locked! To safeguard your systems, immediately upgrade to homeLYnk and spaceLYnk version 2.61 or later, where this vulnerability has been addressed. Additionally, consider implementing stronger password policies and monitoring for any unusual access attempts. Don't let those picklocks win! You've got this! Follow these steps, and you'll have your systems secured in no time! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00632 · 49.6th percentile
Weakness
CWE-327 · Use of a Broken or Risky Cryptographic Algorithm
Published
2021-05-26T19:19Z
EPSS history
Timeline
  • 26 MAY 19:19Z
    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…
    cvelistv5