critical
9.8
CWE
287
Advisory Published
Updated

CVE-2021-33046

First published: Thu Jan 13 2022(Updated: )

Some Dahua products have access control vulnerability in the password reset process. Attackers can exploit this vulnerability through specific deployments to reset device passwords.

Credit: cybersecurity@dahuatech.com

Affected SoftwareAffected VersionHow to fix
Dahua Security IPC-HX1XXX Firmware>=2017-7<=2021-7
Dahua Security IPC-HX1XXX Firmware
Dahuasecurity IPC-HX2XXX>=2017-7<=2021-7
Dahuasecurity IPC-HX2XXX Firmware
Dahuasecurity IPC-HX3XXX Firmware>=2017-7<=2021-7
Dahuasecurity IPC-HX3XXX
Dahuasecurity IPC-HX5(4)(3)XXX Firmware>=2017-7<=2021-7
Dahua IPC-HX5(4)(3)XXX
Dahuasecurity IPC-HX5(4)(3)XXX Firmware>=2017-7<=2021-7
Dahua IPC-HX5(4)(3)XXX
Dahuasecurity Sd1a1>=2017-7<=2021-7
Dahuasecurity Sd1a1 Firmware
Dahua Security SD22>=2017-7<=2021-7
Dahua Security SD22
Dahuasecurity SD49 Firmware>=2017-7<=2021-7
Dahuasecurity SD49 Firmware
Dahuasecurity Sd50 Firmware>=2017-7<=2021-7
Dahuasecurity Sd50 Firmware
Dahuasecurity Sd52c Firmware>=2017-7<=2021-7
Dahuasecurity Sd52c Firmware
Dahua Security SD6AL Firmware>=2017-7<=2021-7
Dahua Security SD6AL
Dahuasecurity Tpc-bf1241 Firmware>=2017-7<=2021-7
Dahuasecurity Tpc-bf1241 Firmware
Dahuasecurity Tpc-bf2221>=2017-7<=2021-7
Dahuasecurity Tpc-bf2221 Firmware
Dahuasecurity Tpc-bf5x01>=2017-7<=2021-7
Dahuasecurity Tpc-bf5x01 Firmware
Dahua TPC-PT8X21X Firmware>=2017-7<=2021-7
Dahua TPC-PT8X21X Firmware
Dahua Technology TPC-SD2221>=2017-7<=2021-7
Dahua Technology TPC-SD2221
Dahuasecurity Tpc-sd8x21 Firmware>=2017-7<=2021-7
Dahuasecurity Tpc-sd8x21 Firmware
Dahua NVR 1xxx Firmware>=2017-7<=2021-7
Dahuasecurity NVR-1xxx
Dahuasecurity Nvr-2xxx Firmware>=2017-7<=2021-7
Dahua Security NVR 2xxx
Dahuasecurity Nvr-4xxx Firmware>=2017-7<=2021-7
Dahuasecurity Nvr4xxx Firmware
Dahua Technology NVR 5xxx Firmware>=2017-7<=2021-7
Dahua Technology NVR 5xxx Firmware
Dahuasecurity Xvr4xxx Firmware>=2017-7<=2021-7
Dahuasecurity Xvr4xxx Firmware
Dahuasecurity Xvr5xxx Firmware>=2017-7<=2021-7
Dahua Technology XVR Series
Dahuasecurity Xvr7xxx Firmware>=2017-7<=2021-7
Dahuasecurity Xvr7xxx Firmware
Dahuasecurity Hcvr7xxx Firmware>=2017-7<=2021-7
Dahuasecurity Hcvr7xxx Firmware
Dahua Security HCVR8XXX Firmware>=2017-7<=2021-7
Dahua Security HCVR8XXX Firmware
Dahuasecurity Vtox20xf>=2017-7<=2021-7
Dahuasecurity Vtox20xf Firmware
Dahuasecurity Asc2204c>=2017-7<=2021-7
Dahuasecurity Asc2204c Firmware

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-33046?

    CVE-2021-33046 is rated as a high severity vulnerability due to its potential for unauthorized password resets.

  • How do I fix CVE-2021-33046?

    To remediate CVE-2021-33046, update your Dahua device firmware to a version released after July 2021.

  • Which products are affected by CVE-2021-33046?

    CVE-2021-33046 affects various Dahua products including IPC-HX1XXX, IPC-HX2XXX, IPC-HX3XXX, and several firmware versions.

  • Can CVE-2021-33046 be exploited remotely?

    Yes, CVE-2021-33046 can be exploited remotely if specific conditions are met in the deployment of the affected devices.

  • Is there any workaround for CVE-2021-33046 until a patch is applied?

    There are no known workarounds for CVE-2021-33046; applying the firmware update is essential to mitigate the risk.

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