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CVE Vulnerability Details :
CVE-2021-33045
PUBLISHED
Known KEV
More InfoOfficial Page
Assigner-dahua
Assigner Org ID-79ee569e-7d1e-4364-98f0-3a18e2a739ad
View Known Exploited Vulnerability (KEV) details
Published At-15 Sep, 2021 | 21:50
Updated At-30 Jul, 2025 | 01:37
Rejected At-
▼CVE Numbering Authority (CNA)

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.

Affected Products
Vendor
n/a
Product
Some Dahua IP Camera, Video Intercom, NVR, XVR devices
Versions
Affected
  • 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.
Problem Types
TypeCWE IDDescription
textN/AImproper Authentication
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://www.dahuasecurity.com/support/cybersecurity/details/957
x_refsource_MISC
http://seclists.org/fulldisclosure/2021/Oct/13
mailing-list
x_refsource_FULLDISC
http://packetstormsecurity.com/files/164423/Dahua-Authentication-Bypass.html
x_refsource_MISC
▼Authorized Data Publishers (ADP)
1. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://www.dahuasecurity.com/support/cybersecurity/details/957
x_refsource_MISC
x_transferred
http://seclists.org/fulldisclosure/2021/Oct/13
mailing-list
x_refsource_FULLDISC
x_transferred
http://packetstormsecurity.com/files/164423/Dahua-Authentication-Bypass.html
x_refsource_MISC
x_transferred
2. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
kev
dateAdded:
2024-08-21
reference:
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-33045
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
CVE-2021-33045 added to CISA KEV2024-08-21 00:00:00
Replaced By

Rejected Reason

References
HyperlinkResource
Details not found