by Kastro
Paper/Archive/CVE-2021-33045

CVE-2021-33045

Dahua IP Camera Firmware — Dahua IP Camera Authentication Bypass Vulnerability

KEV · due 11 SepEPSS 100%public exploitSSVC actCVSS 9.8
critical.is priorityof 100
99
CVSS 9.8 (ADP)9.8 / 10 × 3029.4In CISA KEV+3030.0EPSS percentile 99.9.999 × 2020.0Exploit: SSVC active+1010.0SSVC exploitation: active+1010.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Some Dahua IP Camera, Video Intercom, NVR, XVR devicesDahua IP Camera devices IPC-HX3XXX, IPC-HX5XXX, and IPC-HUM7XXX Buildtime before May, 2020, Video Intercom devices VTO75X95X, VTO65XXX, and VTH542XH, NVR devices NVR1XXX, NVR2XXX, NVR5XXX, and NVR6XX, XVR devices XVR4xxx, XVR5xxx, and XVR7xxx Buildtime before December, 2019.–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: active · Automatable: yes · Technical impact: total

References

refdahuasecurity.com/support/cybersecurity/details/957refseclists.org/fulldisclosure/2021/Oct/13refpacketstormsecurity.com/files/164423/Dahua-Authentication-Bypass.htmlrefcisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-33045kevcisa.gov/known-exploited-vulnerabilities-catalog