7.5

CVE-2021-22806: schneider-electric fellerlynk_firmware

CVSS: 7.5v3.1HighModified
Published 11-02-2022Last modified 03-08-2024

Vulnerability summary

CVE-2021-22806 is a high (CVSS 7.5) vulnerability in schneider-electric fellerlynk_firmware. EPSS estimates a 0.95% chance of exploitation in the next 30 days, higher than 60.7% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.95%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-02-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.95%

Chance of exploitation in the next 30 days

Percentile

61%

Versus all other CVEs

30-day change

0.00 pp

From 0.95% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.95%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Schneider-electric3 products

1 vendor · 3 products

References

1 links