CVE-2021-33044

CVSS V2 High 10 CVSS V3 Critical 9.8
Description
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.
Overview
  • CVE ID
  • CVE-2021-33044
  • Assigner
  • cybersecurity@dahuatech.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-09-15T22:15:10
  • Last Modified Date
  • 2021-12-02T13:50:00
Weakness Enumerations
CWE URL
CWE-287 http://cwe.mitre.org/data/definitions/287.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:dahuasecurity:ipc-hum7xxx_firmware:*:*:*:*:*:*:*:* 1 OR 2.820.0000000.5.r.210705
cpe:2.3:h:dahuasecurity:ipc-hum7xxx:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:dahuasecurity:ipc-hx3xxx_firmware:*:*:*:*:*:*:*:* 1 OR 2.800.0000000.29.r.210630
cpe:2.3:h:dahuasecurity:ipc-hx3xxx:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:dahuasecurity:ipc-hx5xxx_firmware:*:*:*:*:*:*:*:* 1 OR 2.820.0000000.18.r.210705
cpe:2.3:h:dahuasecurity:ipc-hx5xxx:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:dahuasecurity:sd1a1_firmware:*:*:*:*:*:*:*:* 1 OR 2.812.0000007.0.r.210706
cpe:2.3:h:dahuasecurity:sd1a1:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:dahuasecurity:sd22_firmware:*:*:*:*:*:*:*:* 1 OR 2.812.0000007.0.r.210706
cpe:2.3:h:dahuasecurity:sd22:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:dahuasecurity:sd41_firmware:*:*:*:*:*:*:*:* 1 OR 2.812.0000007.0.r.210706
cpe:2.3:h:dahuasecurity:sd41:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:dahuasecurity:sd50_firmware:*:*:*:*:*:*:*:* 1 OR 2.812.0000007.0.r.210706
cpe:2.3:h:dahuasecurity:sd50:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:dahuasecurity:sd52c_firmware:*:*:*:*:*:*:*:* 1 OR 2.812.0000007.0.r.210706
cpe:2.3:h:dahuasecurity:sd52c:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:dahuasecurity:sd6al_firmware:*:*:*:*:*:*:*:* 1 OR 2.812.0000007.0.r.210706
cpe:2.3:h:dahuasecurity:sd6al:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:dahuasecurity:tpc-bf1241_firmware:*:*:*:*:*:*:*:* 1 OR 2.630.0000000.6.r.210707
cpe:2.3:h:dahuasecurity:tpc-bf1241:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:dahuasecurity:tpc-bf2221_firmware:*:*:*:*:*:*:*:* 1 OR 2.630.0000000.10.r.210707
cpe:2.3:h:dahuasecurity:tpc-bf2221:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:dahuasecurity:tpc-bf5x01_firmware:*:*:*:*:*:*:*:* 1 OR 2.630.0000000.12.r.210707
cpe:2.3:h:dahuasecurity:tpc-bf5x01:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:dahuasecurity:tpc-pt8x21b_firmware:*:*:*:*:*:*:*:* 1 OR 2.630.0000000.10.r.210701
cpe:2.3:h:dahuasecurity:tpc-pt8x21b:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:dahuasecurity:tpc-sd2221_firmware:*:*:*:*:*:*:*:* 1 OR 2.630.0000000.7.r.210707
cpe:2.3:h:dahuasecurity:tpc-sd2221:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:dahuasecurity:tpc-sd8x21_firmware:*:*:*:*:*:*:*:* 1 OR 2.630.0000000.9.r.210706
cpe:2.3:h:dahuasecurity:tpc-sd8x21:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:dahuasecurity:vto-65xxx_firmware:*:*:*:*:*:*:*:* 1 OR 4.300.0000004.0.r.210715
cpe:2.3:h:dahuasecurity:vto-65xxx:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:dahuasecurity:vto-75x95x_firmware:*:*:*:*:*:*:*:* 1 OR 4.300.0000003.0.r.210714
cpe:2.3:h:dahuasecurity:vto-75x95x:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:dahuasecurity:vth-542xh_firmware:*:*:*:*:*:*:*:* 1 OR 4.500.0000002.0.r.210715
cpe:2.3:h:dahuasecurity:vth-542xh:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:dahuasecurity:tpc-bf5x21_firmware:*:*:*:*:*:*:*:* 1 OR 2.630.0000000.8.r.210630
cpe:2.3:h:dahuasecurity:tpc-bf5x21:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 10
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.dahuasecurity.com/support/cybersecurity/details/957 Vendor Advisory
http://seclists.org/fulldisclosure/2021/Oct/13 Exploit Mailing List Third Party Advisory
http://packetstormsecurity.com/files/164423/Dahua-Authentication-Bypass.html Exploit Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-33044
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33044
History
Created Old Value New Value Data Type Notes
2022-05-10 06:43:38 Added to TrackCVE
2022-12-05 10:44:40 2021-09-15T22:15Z 2021-09-15T22:15:10 CVE Published Date updated
2022-12-05 10:44:40 2021-12-02T13:50:00 CVE Modified Date updated
2022-12-05 10:44:40 Analyzed Vulnerability Status updated