Unitronics Vision PLC and HMI Insecure Default Password Vulnerability (CVE-2023-6448)
Severity: critical · Patch status: unknown · Since 2023-12-11 · CVE-2023-6448
Unitronics Vision Series PLCs and HMIs ship with an insecure default password, which if left unchanged, can allow attackers to execute remote commands. CISA added CVE-2023-6448 to its Known Exploited Vulnerabilities catalog on Dec 11, 2023, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Dec 18, 2023 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
