CVE-2021-22734
HIGHCVSS 7.2/10EPSS 1.00%
Last modified
CVE-2021-22734 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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.. EPSS estimates a 1.00% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Schneider-Electric | Spacelynk Firmware | <= 2.6.0 |
| Schneider-Electric | Homelynk Firmware | <= 2.6.0 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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 unauthorized code.
How severe is CVE-2021-22734?
CVE-2021-22734 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.00% probability of exploitation in the next 30 days.
How do I fix CVE-2021-22734?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
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Are you affected by CVE-2021-22734?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST