Cyber Resilience

CVE-2021-34576

Medium

Published: 16 September 2021

Published
16 September 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 4.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0017 37.6th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-34576 is a medium-severity Observable Discrepancy (CWE-203) vulnerability in Kadenvodomery Picoflux Air Firmware. Its CVSS base score is 4.3 (Medium).

Operationally, ranked at the 37.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

kadenvodomery
picoflux air firmware
all versions

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-203

Misdirection can normalize or falsify responses to eliminate observable discrepancies that aid reconnaissance.

addresses: CWE-203

Observable discrepancies in system behavior can be modulated to create covert storage or timing channels; the required analysis detects and constrains such avenues.

addresses: CWE-203

Prevents attackers from using observable differences in error responses to infer internal system details or state.

References