Is CVE-2021-33044 in the CISA KEV catalog?

Yes. CVE-2021-33044 is on the CISA Known Exploited Vulnerabilities list, added 2024-08-21.

What is the CVSS severity of CVE-2021-33044?

CVE-2021-33044 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2021-33044?

CVE-2021-33044 has an EPSS score of 99.87% (100th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2021-33044

CRITICALCISA KEVEPSS 100th pctl

9.8

CVSS v3

NVD

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.

CWE-287Improper Authentication

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

99.87%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Dahua IP Camera Authentication Bypass Vulnerability

Dahua IP cameras and related products contain an authentication bypass vulnerability when the NetKeyboard type argument is specified by the client during authentication.

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

Remediation due: 2024-09-11

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-01-13.