CVE-2021-34571
MEDIUMCVSS 6.5/10EPSS 0.22%
Last modified
CVE-2021-34571 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Multiple Wireless M-Bus devices by Enbra use Hard-coded Credentials in Security mode 5 without an option to change the encryption key. An adversary can learn all information that is available in Enbra EWM.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.
Description
Multiple Wireless M-Bus devices by Enbra use Hard-coded Credentials in Security mode 5 without an option to change the encryption key. An adversary can learn all information that is available in Enbra EWM.
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 |
|---|---|---|
| Enbra | Ewm | 1.7.29 |
References
- https://www.fit.vutbr.cz/~polcak/CVE-2021-34571.enThird Party Advisory
- https://www.fit.vutbr.cz/~polcak/CVE-2021-34571.enThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-34571?
Multiple Wireless M-Bus devices by Enbra use Hard-coded Credentials in Security mode 5 without an option to change the encryption key. An adversary can learn all information that is available in Enbra EWM.
How severe is CVE-2021-34571?
CVE-2021-34571 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.
How do I fix CVE-2021-34571?
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.
Are you affected by CVE-2021-34571?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST