CVE Catalog

CVE-2025-61939

High
Published: Translated: NVD NIST

Summary

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.

Risk Assessment

An attacker can intercept the SSH connection and gain unauthorized access to the system, potentially leading to security breaches.

Recommendation

Disable the unused function and ensure mutual authentication for SSH connections.

Other vulnerabilities in MicroServer

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS