CVE-2021-34577

Hardcoded credentials in Kaden PICOFLUX AiR

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Published Nov 9, 2022 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Description

In the Kaden PICOFLUX AiR water meter an adversary can read the values through wireless M-Bus mode 5 with a hardcoded shared key while being adjacent to the device.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Kaden

PICOFLUX AiR

affected

Version	Status	Constraints
`all`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:kadenvodomery:picoflux_air_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:kadenvodomery:picoflux_air:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-21227	In the Kaden PICOFLUX AiR water meter an adversary can read the values through wireless M-Bus mode 5 with a hardcoded shared key while being adjacent to the device.

Metrics

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.297% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://www.fit.vutbr.cz/~polcak/CVE-2021-34577

History

May 1, 2025 8:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Kadenvodomery Picoflux Air Picoflux Air Firmware

Weaknesses

CWE-798

Sources

CVE record Updated: May 1, 2025, 7:16 PM

Status: PUBLISHED
Assigner: CERTVDE
Published: Nov 9, 2022, 4:11 PM
Updated: May 1, 2025, 7:16 PM
Reserved: Jun 10, 2021, 7:19 PM

View source JSON

Vulnrichment Updated: Aug 4, 2024, 12:19 AM

Updated: Aug 4, 2024, 12:19 AM

NVD Updated: Jun 17, 2026, 3:56 AM

Status: Modified
Published: Nov 9, 2022, 5:15 PM
Modified: Jun 17, 2026, 3:56 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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