CVE-2021-22733
Improper Privilege Management vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2...
Improper Privilege Management vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause shell access when unauthorized code is loaded into the system folder.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Improper Privilege Management vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause shell access when unauthorized code is loaded into the system folder.
- Record
CVE-2021-22733- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-269
- Updated
- 2026-11-02
CVE List No score
Improper Privilege Management vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause shell access when unauthorized code is loaded into the system folder.
- Record
CVE-2021-22733- Weakness
- CWE-269
- Updated
- 2026-11-02
EUVDEUVD-2021-9868 No score
Improper Privilege Management vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause shell access when unauthorized code is loaded into the system folder.
- Record
EUVD-2021-9868- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6xx3-j36r-9j4v No score
Improper Privilege Management vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2...
Improper Privilege Management vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause shell access when unauthorized code is loaded into the system folder.
- Record
GHSA-6xx3-j36r-9j4v- Weakness
- CWE-269
- 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-2021-22733 is a high vulnerability (CVSS 7.8) 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 0.21%, the 11th percentile. No source names a fixed version.