High severity · published May 26, 2021
CVE-2021-22736
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause a…
7.5
CVSS
1.1%
EPSS
No
On KEV
Description
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause a denial of service when an unauthorized file is uploaded.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% 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-2021-22736
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22736
Vendor Advisory
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04
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