High severity · published May 26, 2021
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…
7.2
CVSS
1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HF
Homelynk Firmware · Schneider-electric
through 2.6.0 · source: NVD
SF
Spacelynk Firmware · Schneider-electric
through 2.6.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22734
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22734
Vendor Advisory
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04
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