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CVE-2021-33045

CISA KEV

Published August 21, 2024 · Updated April 3, 2026

high
Official Description+

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

Affected Products

VendorProduct
DahuaIP Camera Firmware

Patch Status

Patch by 2024-09-11

Recommended Actions

  1. Check if your systems use any of the affected products listed above.
  2. Apply vendor patches immediately if available.
  3. This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
  4. Monitor vendor advisories for updates and additional mitigations.
  5. Review logs for indicators of compromise related to CVE-2021-33045.