Missing Authentication for Critical Function in Elvaco M-Bus Metering Gateway CMe3100
Priority MEDIUM 44CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00387 33rd 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
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-49399
- 2026-10-03 Alias added: GHSA-6r8j-2f85-xr6c
References
More Elvaco vulnerabilities
- TI-2024-32983 Unrestricted Upload of File with Dangerous Type in Elvaco M-Bus Metering Gateway CMe3100 CVSS 4.0HIGH 8.8
- TI-2024-32981 Insufficiently Protected Credentials in Elvaco M-Bus Metering Gateway CMe3100 CVSS 4.0HIGH 8.7
- TI-2024-32982 Cross-site Scripting in Elvaco M-Bus Metering Gateway CMe3100 CVSS 4.0CRITICAL 9.2
Sources
- CVE-2024-49399 · CVE Program
- CVE-2024-49399 · NVD
- FIRST EPSS
- GHSA-6r8j-2f85-xr6c · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences