github - ghsa-h2j4-m7qg-8m4g

GHSA-H2J4-M7QG-8M4G

Vulnerability from github – Published: 2022-05-24 19:14 – Updated: 2025-10-22 00:32

Details

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.

Severity ?

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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  "affected": [],
  "aliases": [
    "CVE-2021-33044"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-287"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-09-15T22:15:00Z",
    "severity": "CRITICAL"
  },
  "details": "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.",
  "id": "GHSA-h2j4-m7qg-8m4g",
  "modified": "2025-10-22T00:32:20Z",
  "published": "2022-05-24T19:14:53Z",
  "references": [
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-33044"
    },
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      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-33044"
    },
    {
      "type": "WEB",
      "url": "https://www.dahuasecurity.com/support/cybersecurity/details/957"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/164423/Dahua-Authentication-Bypass.html"
    },
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  "severity": [
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      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
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}

CVE-2021-33044 (GCVE-0-2021-33044)

Vulnerability from cvelistv5 – Published: 2021-09-15 21:36 – Updated: 2025-10-21 23:25

Summary

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.

Severity ?

No CVSS data available.

CWE

Improper Authentication

Assigner

dahua

References

URL

Tags

	https://www.dahuasecurity.com/support/cybersecuri…	x_refsource_MISC
	http://seclists.org/fulldisclosure/2021/Oct/13	mailing-listx_refsource_FULLDISC
	http://packetstormsecurity.com/files/164423/Dahua…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	Some Dahua IP Camera, Video Intercom, PTZ Dome Camera, Thermal Camera devices	Affected: 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.

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-H2J4-M7QG-8M4G

CVE-2021-33044 (GCVE-0-2021-33044)

Tags

Sightings

Nomenclature