Vulnerability record

CVE-2021-33045

A permanent, source-backed tracker page. Values are shown only when returned; explicit gaps and read failures remain different states.

Full record read. Reported values and explicit gaps below come from the tracked record. Tracker snapshot: Aug 8, 2026.

What it is

Reported

Dahua IP cameras and related products contain an authentication bypass vulnerability when the loopback device is specified by the client during authentication. Source description excerpt; complete tracked detail loads below.

NVD published: Sep 16, 2021 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

What is affected

Reported

Dahua — IP Camera Firmware. Product-level identification only; no affected-version conclusion is available from this field.

NVD published: Sep 16, 2021 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

Urgency and basis

Reported

Act · 466.4

Tracker decision tier from the evidence detailed below · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

Exploitation evidence

Reported

kev-listed · CISA KEV · VulnCheck KEV · ENISA exploited-vulnerability catalog

Active since: Aug 21, 2024 · CISA KEV added: Aug 21, 2024 · VulnCheck KEV added: Aug 21, 2024 · ENISA added: Aug 21, 2024 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

What to do

Reported

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Source remediation ↗

Tracked source remediation field · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

Evidence detail

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