by Kastro
Paper/Archive/CVE-2021-33044

CVE-2021-33044

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 100.01.000 × 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, PTZ Dome Camera, Thermal Camera devicesDahua IP Camera devices IPC-HX3XXX, IPC-HX5XXX, and IPC-HUM7XXX, Video Intercom devices VTO75X95X, VTO65XXX, and VTH542XH, PTZ Dome Camera SD1A1, SD22, SD49, SD50, SD52C, and SD6AL, Thermal TPC-BF1241, TPC-BF2221, TPC-SD2221, TPC-BF5XXX, TPC-SD8X21, and TPC-PT8X21B devices Buildtime before June, 2021.–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-2021-33044kevcisa.gov/known-exploited-vulnerabilities-catalog