What is CVE-2021-33046?

CVE-2021-33046 is a critical-severity vulnerability in Dahuasecurity Asc2204c, classified under Improper Authentication. CVSS score: 9.8/10. Published 2022-01-13.

How severe is CVE-2021-33046?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Dahuasecurity Asc2204c

CVE-2021-33046

Some Dahua products have access control vulnerability in the password reset process. Attackers can exploit this vulnerability through specific deployments to reset device passwords.

Vulnerability class: Broken Authentication

Published 2022-01-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (69.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

www.dahuasecurity.com/support/cybersecurity/details/957 (Not Applicable)
www.dahuasecurity.com/support/cybersecurity/details/987 (Vendor Advisory)
support.dahuatech.com/networkSecurity/securityDetails (Vendor Advisory)

Frequently asked questions

What is CVE-2021-33046?: CVE-2021-33046 is a critical-severity vulnerability in Dahuasecurity Asc2204c, classified under Improper Authentication. CVSS score: 9.8/10. Published 2022-01-13.
How severe is CVE-2021-33046?: Critical severity. CVSS v3 base score is 9.8 out of 10.