CVE-2023-6448
Unitronics Vision PLC and HMI Insecure Default Password Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 9.8
- EPSS
- 2.09% 백분위 79.3% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2023.12.18
- 공개일
- 2023.12.06
CISA KEV에 등록된 실제 악용 확인 취약점
Unitronics VisiLogic before version 9.9.00, used in Vision and Samba PLCs and HMIs, uses a default administrative password. An unauthenticated attacker with network access can take administrative control of a vulnerable system.
공급사 Unitronics
제품 Vision PLC and HMI
영향 버전 0, < 12.38, < 9.9.00
수정 버전 12.38, 9.9.00
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
조치 기한: 2023.12.18CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-1188, CWE-798
KEV 등록일 2023.12.11
랜섬웨어 캠페인 사용 미확인
CISA 비고 Note that while it is possible to change the default password, implementors are encouraged to remove affected controllers from public networks and update the affected firmware: https://downloads.unitronicsplc.com/Sites/plc/Technical_Library/Unitronics-Cybersecurity-Advisory-2023-001-CVE-2023-6448.pdf; https://nvd.nist.gov/vuln/detail/CVE-2023-6448
EPSS 데이터 기준일 2026.06.27