Observable discrepancy in Kaden PICOFLUX AiR leaks water consumption

published 2021-09-16 5y ago modified 2026-06-17 4mo ago also EUVD-2021-21226

cvss: 4.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits: 0; none known

In Kaden PICOFLUX Air in all known versions an information exposure through observable discrepancy exists. This may give sensitive information (water consumption without distinct values) to third parties.

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Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.3	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD	3.1	4.3	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD	2.0	3.3	AV:A/AC:L/Au:N/C:P/I:N/A:N

Affected products

Kaden PICOFLUX AiR

Classification

Weakness

CWE-203 Observable Discrepancy

References

fit.vutbr.cz /~polcak/CVE-2021-34576.en
third-party-advisory

Sources

CVE List CVE-2021-34576
NVD CVE-2021-34576

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