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.
Metrics
Affected Vendors & Products
References
History
Wed, 07 Jan 2026 20:15:00 +0000
| Type | Values Removed | Values Added |
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ssvc
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Wed, 07 Jan 2026 20:00:00 +0000
| Type | Values Removed | Values Added |
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| 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. | |
| Title | Columbia Weather Systems MicroServer Improper Restriction of Communication Channel to Intended Endpoints | |
| Weaknesses | CWE-923 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: icscert
Published:
Updated: 2026-01-07T20:07:45.479Z
Reserved: 2025-12-08T19:17:55.922Z
Link: CVE-2025-61939
Updated: 2026-01-07T20:07:34.839Z
Status : Awaiting Analysis
Published: 2026-01-07T21:15:58.753
Modified: 2026-01-08T18:08:54.147
Link: CVE-2025-61939
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OpenCVE Enrichment
No data.