Privilege escalation in Schneider-Electric Homelynk
CVE-2021-22733
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.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (10.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 10.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Schneider-Electric Homelynk
- Schneider-Electric Homelynk Firmware
- Schneider-Electric Spacelynk
- Schneider-Electric Spacelynk Firmware
- Homelynk (Wiser For Knx) And Spacelynk V2.60 Prior — versions homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior
Weakness classification (CWE)
References
- download.schneider-electric.com/files (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-22733?
- CVE-2021-22733 is a high-severity vulnerability in Schneider-Electric Homelynk, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2021-05-26.
- How severe is CVE-2021-22733?
- High severity. CVSS v3 base score is 7.8 out of 10.