Auth bypass in Dahuasecurity Dhi-Dss4004-S2
CVE-2022-45423
Some Dahua software products have a vulnerability of unauthenticated request of MQTT credentials. An attacker can obtain encrypted MQTT credentials by sending a specific crafted packet to the vulnerable interface (the credentials cannot be directly exploited).
Vulnerability class: Broken Authentication
EPSS: 0.006 (43.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Dahuasecurity Dhi-dss4004-s2
- Dahuasecurity Dhi-dss4004-s2_firmware — versions 1.001.0000001.2, 8.0.2, 8.0.4
- Dahuasecurity Dhi-dss7016dr-s2
- Dahuasecurity Dhi-dss7016dr-s2_firmware — versions 1.001.0000001.2, 8.0.2, 8.0.4
- Dahuasecurity Dhi-dss7016d-s2
- Dahuasecurity Dhi-dss7016d-s2_firmware — versions 1.001.0000001.2, 8.0.2, 8.0.4
- Dahuasecurity Dss_express — versions 7.002.1760000.2, 8.0.2, 8.0.4
- Dahuasecurity Dss_professional — versions 7.002.1760000.2, 8.0.2, 8.0.4
- N/a Dss Professional, Express, Dhi-dss7016d-s2/dhi-dss7016dr-s2, Dhi-dss4004-s2 — versions V8.0.2, V8.0.4, V8.1
Weakness classification (CWE)
References
- cybersecurity@dahuatech.com (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-45423?
- CVE-2022-45423 is a high-severity vulnerability in Dahuasecurity Dhi-Dss4004-S2, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2022-12-27.
- How severe is CVE-2022-45423?
- High severity. CVSS v3 base score is 7.5 out of 10.