CVE-2021-33044
Dahua IP Camera Authentication Bypass Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 9.8
- EPSS
- 99.9% 백분위 100.0% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2024.09.11
- 공개일
- 2021.09.16
CISA KEV에 등록된 실제 악용 확인 취약점
The identity authentication bypass vulnerability found in some Dahua products during the login process. Attackers can bypass device identity authentication by constructing malicious data packets.
공급사 Dahua
제품 IP Camera Firmware
영향 버전 Dahua IP Camera devices IPC-HX3XXX, IPC-HX5XXX, and IPC-HUM7XXX, Video Intercom devices VTO75X95X, VTO65XXX, and VTH542XH, PTZ Dome Camera SD1A1, SD22, SD49, SD50, SD52C, and SD6AL, Thermal TPC-BF1241, TPC-BF2221, TPC-SD2221, TPC-BF5XXX, TPC-SD8X21, and TPC-PT8X21B devices Buildtime before June, 2021., < 2.820.0000000.5.r.210705, < 2.800.0000000.29.r.210630, < 2.820.0000000.18.r.210705, < 2.812.0000007.0.r.210706, < 2.630.0000000.6.r.210707, < 2.630.0000000.10.r.210707, < 2.630.0000000.12.r.210707, < 2.630.0000000.10.r.210701, <= 2.630.0000000.7.r.210707, < 2.630.0000000.9.r.210706, < 4.300.0000004.0.r.210715, < 4.300.0000003.0.r.210714, < 4.500.0000002.0.r.210715, < 2.630.0000000.8.r.210630
수정 버전 2.820.0000000.5.r.210705, 2.800.0000000.29.r.210630, 2.820.0000000.18.r.210705, 2.812.0000007.0.r.210706, 2.630.0000000.6.r.210707, 2.630.0000000.10.r.210707, 2.630.0000000.12.r.210707, 2.630.0000000.10.r.210701, 2.630.0000000.9.r.210706, 4.300.0000004.0.r.210715, 4.300.0000003.0.r.210714, 4.500.0000002.0.r.210715, 2.630.0000000.8.r.210630
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
조치 기한: 2024.09.11CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-287
KEV 등록일 2024.08.21
랜섬웨어 캠페인 사용 미확인
CISA 비고 https://www.dahuasecurity.com/aboutUs/trustedCenter/details/582; https://nvd.nist.gov/vuln/detail/CVE-2021-33044
EPSS 데이터 기준일 2026.06.27