CVE-2021-33045

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Summary

CVECVE-2021-33045
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-09-15 22:15:00 UTC
Updated2021-12-02 13:49:00 UTC
DescriptionThe identity authentication bypass vulnerability found in some Dahua products during the login process. Attackers can bypass device identity authentication by constructing malicious data packets.

Risk And Classification

EPSS: 0.941410000 probability, percentile 0.999130000 (date 2026-04-02)

CISA KEV: Listed on 2024-08-21; due 2024-09-11; ransomware use Unknown

Problem Types: CWE-287

CISA Known Exploited Vulnerability

VendorDahua
ProductIP Camera Firmware
NameDahua IP Camera Authentication Bypass Vulnerability
Required ActionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Noteshttps://www.dahuasecurity.com/aboutUs/trustedCenter/details/582; https://nvd.nist.gov/vuln/detail/CVE-2021-33045

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Dahuasecurity Ipc-hum7xxx - All All All
Operating System Dahuasecurity Ipc-hum7xxx Firmware All All All All
Hardware Dahuasecurity Ipc-hx3xxx - All All All
Operating System Dahuasecurity Ipc-hx3xxx Firmware All All All All
Hardware Dahuasecurity Ipc-hx5xxx - All All All
Operating System Dahuasecurity Ipc-hx5xxx Firmware All All All All
Hardware Dahuasecurity Nvr-1xxx - All All All
Operating System Dahuasecurity Nvr-1xxx Firmware All All All All
Hardware Dahuasecurity Nvr-2xxx - All All All
Operating System Dahuasecurity Nvr-2xxx Firmware All All All All
Hardware Dahuasecurity Nvr-4xxx - All All All
Operating System Dahuasecurity Nvr-4xxx Firmware All All All All
Hardware Dahuasecurity Nvr-5xxx - All All All
Operating System Dahuasecurity Nvr-5xxx Firmware All All All All
Hardware Dahuasecurity Nvr-6xx - All All All
Operating System Dahuasecurity Nvr-6xx Firmware All All All All
Hardware Dahuasecurity Vth-542xh - All All All
Operating System Dahuasecurity Vth-542xh Firmware All All All All
Hardware Dahuasecurity Vto-65xxx - All All All
Operating System Dahuasecurity Vto-65xxx Firmware All All All All
Hardware Dahuasecurity Vto-75x95x - All All All
Operating System Dahuasecurity Vto-75x95x Firmware All All All All
Hardware Dahuasecurity Xvr-4x04 - All All All
Operating System Dahuasecurity Xvr-4x04 Firmware All All All All
Operating System Dahuasecurity Xvr-4x04 Firmware - All All All
Hardware Dahuasecurity Xvr-4x08 - All All All
Operating System Dahuasecurity Xvr-4x08 Firmware All All All All
Hardware Dahuasecurity Xvr-5x04 - All All All
Operating System Dahuasecurity Xvr-5x04 Firmware All All All All
Hardware Dahuasecurity Xvr-5x08 - All All All
Operating System Dahuasecurity Xvr-5x08 Firmware All All All All
Hardware Dahuasecurity Xvr-5x16 - All All All
Operating System Dahuasecurity Xvr-5x16 Firmware All All All All
Hardware Dahuasecurity Xvr-7x16 - All All All
Operating System Dahuasecurity Xvr-7x16 Firmware All All All All
Hardware Dahuasecurity Xvr-7x32 - All All All
Operating System Dahuasecurity Xvr-7x32 Firmware All All All All

References

ReferenceSourceLinkTags
Dahua Authentication Bypass ≈ Packet Storm MISC packetstormsecurity.com
Full Disclosure: [Update]: Dahua Authentication bypass (CVE-2021-33044, CVE-2021-33045) FULLDISC seclists.org
Security Advisory - Identity authentication bypass vulnerability found in some Dahua products MISC www.dahuasecurity.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev
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