// For flags

CVE-2023-31277

PiiGAB M-Bus Unprotected Transport of Credentials

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

PiiGAB M-Bus transmits credentials in plaintext format.

*Credits: Floris Hendriks and Jeroen Wijenbergh of Radboud University reported these vulnerabilities to CISA.
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-06-27 CVE Reserved
  • 2023-07-06 CVE Published
  • 2024-07-12 EPSS Updated
  • 2024-08-02 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-523: Unprotected Transport of Credentials
CAPEC
References (1)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Piigab
Search vendor "Piigab"
M-bus 900s Firmware
Search vendor "Piigab" for product "M-bus 900s Firmware"
--
Affected
in Piigab
Search vendor "Piigab"
M-bus 900s
Search vendor "Piigab" for product "M-bus 900s"
--
Safe