CVE-2021-34577
MEDIUMCVSS 6.5/10EPSS 0.27%
Last modified
CVE-2021-34577 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Kadenvodomery | Picoflux Air Firmware | All versions |
References
- https://www.fit.vutbr.cz/~polcak/CVE-2021-34577Third Party Advisory
- https://www.fit.vutbr.cz/~polcak/CVE-2021-34577Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-34577?
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.
How severe is CVE-2021-34577?
CVE-2021-34577 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2021-34577?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2021-34577?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST