CVE-2023-31277 - CVE House
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Status published High CVE-2023-31277

PiiGAB M-Bus Unprotected Transport of Credentials

Vulnerability Description

PiiGAB M-Bus transmits credentials in plaintext format.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Floris Hendriks and Jeroen Wijenbergh of Radboud University reported these vulnerabilities to CISA.

References

More from PiiGAB

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CVE-2023-36859
PiiGAB M-Bus Code Injection
High 8.8
CVE-2023-35987
PiiGAB M-Bus Use of Hard-coded Credentials
Critical 9.8
CVE-2023-35765
PiiGAB M-Bus Plaintext Storage of a Password
Medium 6.5
CVE-2023-35120
PiiGAB M-Bus Cross-Site Request Forgery
High 8.8
CVE-2023-34995
PiiGAB M-Bus Weak Password Requirements
High 7.5

Affected Vendor

Affected Software

M-Bus SoftwarePack
Vulnerable Versions:
900S

Timeline

Official Publish: July 6th, 2023
Last Modified: November 14th, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)

CWE-523

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.