VULNERABILITY INTELLIGENCE

CVE-2025-61939

CVSS score8.8 HIGH
EPSS probability0.27%
CISA KEVNot currently listed
Published2026-01-07
Last modified2026-10-07
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • ics-cert@hq.dhs.gov: CWE-923

Primary references