CVE-2025-66620
High · 7.2CVSS
7.2
EPSS
0.5%
Published
Jan 7, 2026
CISA due date
—
The record
An unused webshell in MicroServer allows unlimited login attempts, with sudo rights on certain files and directories. An attacker with admin access to MicroServer can gain limited shell access, enabling persistence through reverse shells, and the ability to modify or remove data stored in the file system.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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