Description
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.
Published: 2021-09-15
Score: 9.8 Critical
EPSS: 94.1% High
KEV: Yes
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Wed, 22 Oct 2025 00:30:00 +0000


Tue, 21 Oct 2025 20:30:00 +0000


Tue, 21 Oct 2025 19:30:00 +0000


Wed, 30 Jul 2025 02:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.94124}

epss

{'score': 0.94092}


Subscriptions

Dahuasecurity Ipc-hum7xxx Ipc-hum7xxx Firmware Ipc-hx3xxx Ipc-hx3xxx Firmware Ipc-hx5xxx Ipc-hx5xxx Firmware Nvr-1xxx Nvr-1xxx Firmware Nvr-2xxx Nvr-2xxx Firmware Nvr-4xxx Nvr-4xxx Firmware Nvr-5xxx Nvr-5xxx Firmware Nvr-6xx Nvr-6xx Firmware Vth-542xh Vth-542xh Firmware Vto-65xxx Vto-65xxx Firmware Vto-75x95x Vto-75x95x Firmware Xvr-4x04 Xvr-4x04 Firmware Xvr-4x08 Xvr-4x08 Firmware Xvr-5x04 Xvr-5x04 Firmware Xvr-5x08 Xvr-5x08 Firmware Xvr-5x16 Xvr-5x16 Firmware Xvr-7x16 Xvr-7x16 Firmware Xvr-7x32 Xvr-7x32 Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: dahua

Published:

Updated: 2026-01-12T19:53:51.321Z

Reserved: 2021-05-17T00:00:00.000Z

Link: CVE-2021-33045

cve-icon Vulnrichment

Updated: 2024-08-03T23:42:19.573Z

cve-icon NVD

Status : Analyzed

Published: 2021-09-15T22:15:10.687

Modified: 2026-01-13T22:20:20.110

Link: CVE-2021-33045

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses