CVE-2023-6448
Actively exploited. CVE-2023-6448 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-12-11) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Unitronics Vision Series PLCs and HMIs ship with an insecure default password, which if left unchanged, can allow attackers to execute remote commands.
CSIRTS triage
- What
- The devices ship with an insecure default password that can allow attackers to execute remote commands if unchanged.
- Who is affected
- Users of Unitronics Vision Series PLCs and HMIs are affected if they do not change the default password.
- Urgency
- Immediate action is required as the vulnerability is actively exploited and is critical in severity.
- Action
- Change the default password on all affected devices.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 79% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2023-6448: Unitronics Vision PLC and HMI Insecure Default Password Vulnerabilitycisa-kev · 2023-12-11
External references
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