CVE-2023-34995

9.8 criticalEPSS 0.6%

Critical (9.8) in piigab m-bus 900s firmware. EPSS 0.6% chance of exploitation in the next 30 days.

There are no requirements for setting a complex password for PiiGAB M-Bus, which could contribute to a successful brute force attack if the password is inline with recommended password guidelines.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-31)
CWE: CWE-521
Published: 2023-07-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

piigab:m-bus_900s_firmware

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-187-01
https://www.cisa.gov/news-events/ics-advisories/icsa-23-187-01

Check your stack JSON