CVE-2021-33044

🗓️ 15 Sep 2021 21:36:04Reported by dahuaType

cve🔗 web.nvd.nist.gov📰️ 4 Media mentions👁 584 Views

The identity authentication bypass vulnerability found in Dahua products

Reporter	Title	Published	Views	Family All 36
GithubExploit	Exploit for Improper Authentication in Dahuasecurity Ipc-Hum7Xxx_Firmware	25 Jan 202610:36	–	githubexploit
GithubExploit	Exploit for Improper Authentication in Dahuasecurity Ipc-Hum7Xxx_Firmware	11 Oct 202122:08	–	githubexploit
GithubExploit	Exploit for Improper Authentication in Dahuasecurity Ipc-Hum7Xxx_Firmware	22 Oct 202314:02	–	githubexploit
GithubExploit	Ingram-Pro	25 Jun 202608:08	–	githubexploit
GithubExploit	Exploit for Improper Authentication in Dahuasecurity Ipc-Hum7Xxx_Firmware	24 Jun 202612:31	–	githubexploit
GithubExploit	Exploit for Improper Authentication in Dahuasecurity Ipc-Hum7Xxx_Firmware	7 Mar 201723:48	–	githubexploit
GithubExploit	Exploit for Improper Authentication in Dahuasecurity Ipc-Hum7Xxx_Firmware	3 Mar 202621:28	–	githubexploit
zdt	Dahua Authentication Bypass Vulnerability	6 Oct 202100:00	–	zdt
Gitee	Exploit for Improper Authentication in Dahuasecurity Ipc-Hum7Xxx_Firmware	6 Jul 202502:39	–	gitee
Gitee	Exploit for Improper Authentication in Dahuasecurity Ipc-Hum7Xxx_Firmware	22 Nov 202110:46	–	gitee

NVD

Node

AND

dahuasecurity ipc-hum7xxx_firmwareRange<2.820.0000000.5.r.210705

dahuasecurity ipc-hum7xxxMatch-

Node

AND

dahuasecurity ipc-hx3xxx_firmwareRange<2.800.0000000.29.r.210630

dahuasecurity ipc-hx3xxxMatch-

Node

AND

dahuasecurity ipc-hx5xxx_firmwareRange<2.820.0000000.18.r.210705

dahuasecurity ipc-hx5xxxMatch-

Node

AND

dahuasecurity sd1a1_firmwareRange<2.812.0000007.0.r.210706

dahuasecurity sd1a1Match-

Node

AND

dahuasecurity sd22_firmwareRange<2.812.0000007.0.r.210706

dahuasecurity sd22Match-

Node

AND

dahuasecurity sd49_firmwareRange<2.812.0000007.0.r.210706

dahuasecurity sd49Match-

Node

AND

dahuasecurity sd50_firmwareRange<2.812.0000007.0.r.210706

dahuasecurity sd50Match-

Node

AND

dahuasecurity sd52c_firmwareRange<2.812.0000007.0.r.210706

dahuasecurity sd52cMatch-

Node

AND

dahuasecurity sd6al_firmwareRange<2.812.0000007.0.r.210706

dahuasecurity sd6alMatch-

Node

AND

dahuasecurity tpc-bf1241_firmwareRange<2.630.0000000.6.r.210707

dahuasecurity tpc-bf1241Match-

Node

AND

dahuasecurity tpc-bf2221_firmwareRange<2.630.0000000.10.r.210707

dahuasecurity tpc-bf2221Match-

Node

AND

dahuasecurity tpc-bf5x01_firmwareRange<2.630.0000000.12.r.210707

dahuasecurity tpc-bf5x01Match-

Node

AND

dahuasecurity tpc-pt8x21b_firmwareRange<2.630.0000000.10.r.210701

dahuasecurity tpc-pt8x21bMatch-

Node

AND

dahuasecurity tpc-sd2221_firmwareRange≤2.630.0000000.7.r.210707

dahuasecurity tpc-sd2221Match-

Node

AND

dahuasecurity tpc-sd8x21_firmwareRange<2.630.0000000.9.r.210706

dahuasecurity tpc-sd8x21Match-

Node

AND

dahuasecurity vto-65xxx_firmwareRange<4.300.0000004.0.r.210715

dahuasecurity vto-65xxxMatch-

Node

AND

dahuasecurity vto-75x95x_firmwareRange<4.300.0000003.0.r.210714

dahuasecurity vto-75x95xMatch-

Node

AND

dahuasecurity vth-542xh_firmwareRange<4.500.0000002.0.r.210715

dahuasecurity vth-542xhMatch-

Node

AND

dahuasecurity tpc-bf5x21_firmwareRange<2.630.0000000.8.r.210630

dahuasecurity tpc-bf5x21Match-

[
  {
    "product": "Some Dahua IP Camera, Video Intercom, PTZ Dome Camera, Thermal Camera devices",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Dahua 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."
      }
    ]
  }
]

Source	Link
seclists	www.seclists.org/fulldisclosure/2021/Oct/13
packetstormsecurity	www.packetstormsecurity.com/files/164423/Dahua-Authentication-Bypass.html
dahuasecurity	www.dahuasecurity.com/support/cybersecurity/details/957
cisa	www.cisa.gov/known-exploited-vulnerabilities-catalog

17 Jun 2026 03:54Current

9.5High risk

Vulners AI Score9.5

CVSS 3.19.8

CVSS 210

EPSS0.99871

SSVC