Vulnerability in Columbiaweather Weather_microserver
CVE-2025-61939
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 resp…
EPSS: 0.002 (15.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory)
- ics-cert@hq.dhs.gov (Third Party Advisory)
Frequently asked questions
- What is CVE-2025-61939?
- CVE-2025-61939 is a high-severity vulnerability in Columbiaweather Weather_microserver, classified under CWE-923. CVSS score: 8.8/10. Published 2026-01-07.
- How severe is CVE-2025-61939?
- High severity. CVSS v3 base score is 8.8 out of 10.