CVE-2021-33044

CRITICALCISA KEV

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published9/15/2021

Last Modified1/13/2026

Sourcekev

Honeypot Sightings0

CISA KEV

VendorDahua

ProductIP Camera Firmware

Vulnerability NameDahua IP Camera Authentication Bypass Vulnerability

KEV Date Added2024-08-21

Remediation Due Date2024-09-11

Ransomware UseUnknown

Affected Products

dahuasecurity:ipc-hum7xxxdahuasecurity:ipc-hum7xxx_firmwaredahuasecurity:ipc-hx3xxxdahuasecurity:ipc-hx3xxx_firmwaredahuasecurity:ipc-hx5xxxdahuasecurity:ipc-hx5xxx_firmwaredahuasecurity:sd1a1dahuasecurity:sd1a1_firmwaredahuasecurity:sd22dahuasecurity:sd22_firmwaredahuasecurity:sd49dahuasecurity:sd49_firmwaredahuasecurity:sd50dahuasecurity:sd50_firmwaredahuasecurity:sd52cdahuasecurity:sd52c_firmwaredahuasecurity:sd6aldahuasecurity:sd6al_firmwaredahuasecurity:tpc-bf1241dahuasecurity:tpc-bf1241_firmwaredahuasecurity:tpc-bf2221dahuasecurity:tpc-bf2221_firmwaredahuasecurity:tpc-bf5x01dahuasecurity:tpc-bf5x01_firmwaredahuasecurity:tpc-bf5x21dahuasecurity:tpc-bf5x21_firmwaredahuasecurity:tpc-pt8x21bdahuasecurity:tpc-pt8x21b_firmwaredahuasecurity:tpc-sd2221dahuasecurity:tpc-sd2221_firmwaredahuasecurity:tpc-sd8x21dahuasecurity:tpc-sd8x21_firmwaredahuasecurity:vth-542xhdahuasecurity:vth-542xh_firmwaredahuasecurity:vto-65xxxdahuasecurity:vto-65xxx_firmwaredahuasecurity:vto-75x95xdahuasecurity:vto-75x95x_firmware

Weaknesses (CWE)

CWE-287CWE-287

References

http://packetstormsecurity.com/files/164423/Dahua-Authentication-Bypass.html(cybersecurity@dahuatech.com)

http://seclists.org/fulldisclosure/2021/Oct/13(cybersecurity@dahuatech.com)

https://www.dahuasecurity.com/support/cybersecurity/details/957(cybersecurity@dahuatech.com)

http://packetstormsecurity.com/files/164423/Dahua-Authentication-Bypass.html(af854a3a-2127-422b-91ae-364da2661108)

http://seclists.org/fulldisclosure/2021/Oct/13(af854a3a-2127-422b-91ae-364da2661108)

https://www.dahuasecurity.com/support/cybersecurity/details/957(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-33044(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.