CVE-2021-22740
Information Exposure vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and...
Information Exposure vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause information to be exposed when an unauthorized file is uploaded.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Information Exposure vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause information to be exposed when an unauthorized file is uploaded.
- Record
CVE-2021-22740- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List No score
Information Exposure vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause information to be exposed when an unauthorized file is uploaded.
- Record
CVE-2021-22740- Weakness
- CWE-200
- Updated
- 2026-11-02
EUVDEUVD-2021-9875 No score
Information Exposure vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause information to be exposed when an unauthorized file is uploaded.
- Record
EUVD-2021-9875- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6wqw-44p4-565j No score
Information Exposure vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and...
Information Exposure vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause information to be exposed when an unauthorized file is uploaded.
- Record
GHSA-6wqw-44p4-565j- Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-22740 is a medium vulnerability (CVSS 6.5) in Schneider-electric Homelynk Firmware, published May 26, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.80%, the 56th percentile. No source names a fixed version.