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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (45.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
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
- 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
- www.dahuasecurity.com/support/cybersecurity/details/1137 (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.