CVE-2023-34995 json
PiiGAB M-Bus Weak Password Requirements
published 2023-07-06 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-39033
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 49%
- public exploits
- 0
- none known
Summary
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.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-23-187-01 updated cvss 7.5
PiiGAB M-Bus
-
PiiGAB, Processinformation i G�teborg Aktiebolag M-Bus SoftwarePack 900Saffected: mitigation
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 23 mo ago
Exploit prediction
0.62% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- PiiGAB M-Bus SoftwarePack
- piigab m-bus_900s
Classification
- Weakness
-
- CWE-521 Weak Password Requirements
References
-
cisa.gov
/news-events/ics-advisories/icsa-23-187-01
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2023-34995
- NVD CVE-2023-34995
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.