Vulnerability intelligence

CVE-2026-101022

Grid Protection Alliance openPDC CWE-918

A Modbus connection feature on openPDC accepts a caller-specified destination address and port with no restriction on which internal hosts may be targeted. An authenticated user can attempt connections to arbitrary internal network destinations, revealing which destinations are reachable. With repeated attempts, an attacker may be able to map the internal network.

CVSS Score

5.3

Medium

EPSS — Exploit Probability

—

Awaiting FIRST.org data · checked 2026-10-09

Exploitation

Not in CISA KEV

KEV does not include every exploited vulnerability

Remediation

unknown

Check vendor advisories