Vulnerability details
CVE-2026-1840
Hubbell Aclara Metrum Cellular Web Interface
Missing authentication for critical function in Hubbell Aclara Metrum Cellular Web Interface
CVSS 4.0
8.7High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.7High | 4.0 | CVEProject cvelistV5 (CNA) (icscert) | 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 |
| 7.5High | 3.1 | CVEProject cvelistV5 (CNA) (icscert) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Hubbell | Aclara Metrum Cellular Web Interface | v < 2.1.0.105 | CVEProject cvelistV5 (CNA) |
References and advisories
3
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Details
- Published
- 2026-06-24
- Last updated
- 2026-06-25
- State
- Published
- Assigner (CNA)
- icscert
Exploit prediction (EPSS)
0.71%
Probability of exploitation in 30 days
53.7%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-306Missing authentication for critical function