CVE-2025-61939
Columbia Weather Systems MicroServer Improper Restriction of Communication Channel to Intended Endpoints
- State
- Published
- Severity
- 8.7 High
- Published
- Jan 7, 2026
- Updated
- Jan 7, 2026
- Reserved
- Dec 8, 2025
Description
An unused function in MicroServer can start a reverse SSH connection to a vendor registered domain, without mutual authentication. An attacker on the local network with admin access to the web server, and the ability to manipulate DNS responses, can redirect the SSH connection to an attacker controlled device.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | icscert |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | icscert |
Weaknesses
- CWE-923 Improper Restriction of Communication Channel to Intended Endpoints
Affected Products
| Product | Versions |
|---|---|
MicroServerColumbia Weather Systems |
|
References
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