All vulnerabilities
CVE-2023-6448

Unitronics Vision PLC and HMI Insecure Default Password Vulnerability

Unitronics Vision PLC and HMIIndustrial & IoT
CVSS
9.8Critical
ExploitationExploited in the wildAdded to KEV 11 Dec 2023CISA KEV
Exploit odds (EPSS)2.09%Chance of exploitation activity in the next 30 days, higher than 81% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in9.9.00Fixed versionCVE List
Federal deadline18 Dec 2023Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 5 Dec 2023, 17:43 UTCPublishedCVE List
  2. 11 Dec 2023Added to CISA KEVCISA KEV

Description

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

Text from CVE List

Affected versions 1

  • VisiLogicaffected: all versions before 9.9.00CVE List

References 6