CISA-confirmed known exploited vulnerability

CVE-2023-6448

Unitronics Vision PLC and HMI Insecure Default Password Vulnerability

Unitronics · Vision PLC and HMI

Vulnerability details

Unitronics Vision Series PLCs and HMIs ship with an insecure default password, which if left unchanged, can allow attackers to execute remote commands.

Added to CISA KEV: 2023-12-11

Ransomware campaign use: Unknown

CISA due date: 2023-12-18

Defensive guidance from CISA

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

View CISA KEV catalog View NVD record

← All vulnerabilities