CVE-2021-33045
Dahua IP Camera Authentication Bypass Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 9.8
- EPSS
- 99.6% 백분위 99.9% · 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 Buildtime before May, 2020, Video Intercom devices VTO75X95X, VTO65XXX, and VTH542XH, NVR devices NVR1XXX, NVR2XXX, NVR5XXX, and NVR6XX, XVR devices XVR4xxx, XVR5xxx, and XVR7xxx Buildtime before December, 2019., < 2.820.0000000.5.r.210705, < 2.800.0000000.29.r.210630, < 4.001.0000005.1.r.210709, < 4.001.0000000.1.r.210710, < 4.001.0000005.1.r.210713, < 4.001.0000000.0.r.210710, < 4.001.0000001.1.r.210716, < 4.500.0000002.0.r.210715, < 4.300.0000004.0.r.210715, < 4.300.0000003.0.r.210714, < 4.001.0000001.1.r.210709, < 4.001.0000003.1.r.210710
수정 버전 2.820.0000000.5.r.210705, 2.800.0000000.29.r.210630, 4.001.0000005.1.r.210709, 4.001.0000000.1.r.210710, 4.001.0000005.1.r.210713, 4.001.0000000.0.r.210710, 4.001.0000001.1.r.210716, 4.500.0000002.0.r.210715, 4.300.0000004.0.r.210715, 4.300.0000003.0.r.210714, 4.001.0000001.1.r.210709, 4.001.0000003.1.r.210710
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-2021-33045
EPSS 데이터 기준일 2026.06.27