PiiGAB M-Bus Plaintext Storage of a Password
Priority LOW 29CWE-256Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-256.
Summary
PiiGAB M-Bus stores credentials in a plaintext file, which could allow a low-level user to gain admin credentials.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00509 43rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| PiiGAB | M-Bus SoftwarePack | 900S | — | No fix listed | CNA |
- M-Bus SoftwarePack VendorPiiGAB Affected 900S Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-35765
- 2026-10-03 Alias added: GHSA-mr58-q27j-cvg9
References
More PiiGAB M-bus 900s Firmware vulnerabilities
- TI-2023-18047 PiiGAB M-Bus Use of Hard-coded Credentials CVSS 3.1CRITICAL 9.8
- TI-2023-17484 PiiGAB M-Bus Weak Password Requirements CVSS 3.1CRITICAL 9.8
- TI-2023-17259 PiiGAB M-Bus Use of Password Hash With Insufficient Computational Effort CVSS 3.1CRITICAL 9.8
- TI-2023-18649 PiiGAB M-Bus Code Injection CVSS 3.1CRITICAL 9.8
- TI-2023-16740 PiiGAB M-Bus Improper Restriction of Excessive Authentication Attempts CVSS 3.1CRITICAL 9.8
- TI-2023-17571 PiiGAB M-Bus Cross-Site Request Forgery CVSS 3.1HIGH 8.8
Sources
- CVE-2023-35765 · CVE Program
- CVE-2023-35765 · NVD
- FIRST EPSS
- GHSA-mr58-q27j-cvg9 · GitHub Advisory Database · CC BY 4.0
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