CVE-2026-1840
Missing authentication for critical function in Hubbell Aclara Metrum Cellular Web Interface
- State
- Published
- Severity
- 8.7 High
- Published
- Jun 24, 2026
- Updated
- Jun 25, 2026
- Reserved
- Feb 3, 2026
Description
The Aclara Metrum Cellular Web Interface is vulnerable to unauthorized access due to the absence of authentication controls on critical system functions. This weakness exposes essential configuration settings, allowing attackers to alter operational parameters and trigger system restarts without restriction. Such unauthorized changes can disrupt normal functionality and, if performed repeatedly, may lead to a loss of communications to the device.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | icscert |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | icscert |
Weaknesses
- CWE-306 Missing authentication for critical function
Affected Products
| Product | Versions |
|---|---|
Aclara Metrum Cellular Web InterfaceHubbell |
|
References
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