CVE-2024-49399

Missing Authentication for Critical Function in Elvaco M-Bus Metering Gateway CMe3100

Published Oct 17, 2024 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed

Description

The affected product is vulnerable to an attacker being able to use commands without providing a password which may allow an attacker to leak information.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Elvaco

M-Bus Metering Gateway CMe3100

unaffected

Version	Status	Constraints
`1.12.1`	affected	—

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2024-43426	The affected product is vulnerable to an attacker being able to use commands without providing a password which may allow an attacker to leak information.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.387% probability within 30 days)

Exploitation none

Automatable yes

Technical Impact partial

References

Link	Providers
https://www.cisa.gov/news-events/ics-advisories/icsa-24-291-01

History

Jul 13, 2025 1:45 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00115}`	epss `{'score': 0.00117}`

Oct 17, 2024 5:15 PM First appearance in the feed. Affected versions updated. Affected vendors updated. Scoring metrics updated View changes

Type	Values Removed	Values Added
First Time appeared		Elvaco Elvaco cme3100 Firmware
CPEs		cpe:2.3:o:elvaco:cme3100_firmware:1.12.1:::::::*
Vendors & Products		Elvaco Elvaco cme3100 Firmware
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Oct 17, 2024 4:30 PM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		The affected product is vulnerable to an attacker being able to use commands without providing a password which may allow an attacker to leak information.
Title		Missing Authentication for Critical Function in Elvaco M-Bus Metering Gateway CMe3100
Weaknesses		CWE-306
References		https://www.cisa.gov/news-events/ics-advisories/icsa-24-291-01
Metrics		cvssV4_0 `{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}`