CVE-2021-33044 (GCVE-0-2021-33044)
Vulnerability from cvelistv5
Published
2021-09-15 21:36
Modified
2025-10-21 23:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Improper Authentication
Summary
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.
References
| ► | URL | Tags | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Some Dahua IP Camera, Video Intercom, PTZ Dome Camera, Thermal Camera devices |
Version: 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. |
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog
Date added: 2024-08-21
Due date: 2024-09-11
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Used in ransomware: Unknown
Notes: https://www.dahuasecurity.com/aboutUs/trustedCenter/details/582; https://nvd.nist.gov/vuln/detail/CVE-2021-33044
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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