CVE-2021-22806
A CWE-669: Incorrect Resource Transfer Between Spheres vulnerability exists that could cause data exfiltration and unauthorized access when accessing a malicious website.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.95%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A CWE-669: Incorrect Resource Transfer Between Spheres vulnerability exists that could cause data exfiltration and unauthorized access when accessing a malicious website. Affected Product: spaceLYnk (V2.6.1 and prior), Wiser for KNX (V2.6.1 and prior), fellerLYnk (V2.6.1 and prior)
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.95% probability · 61th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-669
- Affected
- schneider-electric/spacelynk firmware · schneider-electric/wiser for knx firmware · schneider-electric/fellerlynk firmware
- Source
- cybersecurity@se.com
EPSS 1.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-285-01Broken Link, Patch, Vendor Advisory
- https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-285-01Broken Link, Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.