All vulnerabilities
CVE-2021-33045

Dahua IP Camera Authentication Bypass Vulnerability

Dahua IP Camera FirmwareIndustrial & IoT
CVSS
9.8Critical
ExploitationExploited in the wildAdded to KEV 21 Aug 2024CISA KEV
Exploit odds (EPSS)99.6%Chance of exploitation activity in the next 30 days, higher than 99.9% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline11 Sep 2024Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 15 Sep 2021, 21:50 UTCPublishedCVE List
  2. 21 Aug 2024Added to CISA KEVCISA KEV

Public exploit code and templates 1

  • Scanner templateDahua IPC/VTH/VTO - Authentication BypassNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Dahua IP cameras and related products contain an authentication bypass vulnerability when the loopback device is specified by the client during authentication.

Text from CVE List

Affected versions 1

  • Some Dahua IP Camera, Video Intercom, NVR, XVR devicesaffected: 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.CVE List

References 4