CVE-2021-22681
Rockwell Multiple Products Insufficient Protected Credentials Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 9.8
- EPSS
- 25.5% 백분위 97.7% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2026.03.26
- 공개일
- 2021.03.04
CISA KEV에 등록된 실제 악용 확인 취약점
Rockwell Automation Studio 5000 Logix Designer Versions 21 and later, and RSLogix 5000 Versions 16 through 20 use a key to verify Logix controllers are communicating with Rockwell Automation CompactLogix 1768, 1769, 5370, 5380, 5480: ControlLogix 5550, 5560, 5570, 5580; DriveLogix 5560, 5730, 1794-L34; Compact GuardLogix 5370, 5380; GuardLogix 5570, 5580; SoftLogix 5800. Rockwell Automation Studio 5000 Logix Designer Versions 21 and later and RSLogix 5000: Versions 16 through 20 are vulnerable because an unauthenticated attacker could bypass this verification mechanism and authenticate with...
공급사 Rockwell
제품 Multiple Products
영향 버전 RSLogix 5000 Versions 16 through 20, Studio 5000 Logix Designer: Versions 21 and later, CompactLogix 1768, 1769, 5370, 5380, 5480, ControlLogix 5550, 5560, 5570, 5580, DriveLogix 5560, 5730, 1794-L34, Compact GuardLogix 5370, 5380, GuardLogix 5570, 5580, SoftLogix 5800, >= 2.10, >= 16 <= 20, >= 21.0
수정 버전 공식 출처에서 확인 필요
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
조치 기한: 2026.03.26CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-522
KEV 등록일 2026.03.05
랜섬웨어 캠페인 사용 미확인
CISA 비고 https://support.rockwellautomation.com/app/answers/answer_view/a_id/1130301/~/cve-2021-22681%3A-authentication-bypass-vulnerability-found-in-logix-controllers- ; https://www.cisa.gov/news-events/ics-advisories/icsa-21-056-03 ; https://nvd.nist.gov/vuln/detail/CVE-2021-22681
EPSS 데이터 기준일 2026.06.27