CVE-2021-22738
9.8 · CRITICALOverview
CVE-2021-22738 is a critical-severity vulnerability affecting schneider-electric spacelynk_firmware. It was published on May 26, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from schneider-electric. Update spacelynk_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| schneider-electric | spacelynk_firmware | 0 | Affected |
| schneider-electric | homelynk_firmware | 0 | Affected |
Frequently Asked Questions
What is CVE-2021-22738?
CVE-2021-22738 is a critical-severity vulnerability affecting schneider-electric spacelynk_firmware. It was published on May 26, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2021-22738?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-22738?
Check the references section for vendor advisories and patches from schneider-electric. Update spacelynk_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-22738?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-22738 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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