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: 94.2% High
KEV: Yes
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

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