cnvd - cnvd-2021-103420

cnvd-2021-103420

Vulnerability from cnvd

Title: Dahua IPC身份认证绕过漏洞（CNVD-2021-103420）

Description:

Dahua IPC是中国大华（Dahua）公司的大华的一系列工控机。

Dahua IPC存在身份认证绕过漏洞，攻击者可利用该漏洞通过构造恶意数据包绕过设备身份验证。

Severity: 高

Patch Name: Dahua IPC身份认证绕过漏洞（CNVD-2021-103420）的补丁

Patch Description:

Dahua IPC是中国大华（Dahua）公司的大华的一系列工控机。

Dahua IPC存在身份认证绕过漏洞，攻击者可利用该漏洞通过构造恶意数据包绕过设备身份验证。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

厂商已发布了漏洞修复程序，请及时关注更新： https://www.dahuasecurity.com/support/cybersecurity/details/957

Reference: https://packetstormsecurity.com/files/164423/Dahua-Authentication-Bypass.html

Impacted products

Name
Dahua IPC

Show details on source website

JSON

To clipboard

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    "cve": {
      "cveNumber": "CVE-2021-33045"
    }
  },
  "description": "Dahua IPC\u662f\u4e2d\u56fd\u5927\u534e\uff08Dahua\uff09\u516c\u53f8\u7684\u5927\u534e\u7684\u4e00\u7cfb\u5217\u5de5\u63a7\u673a\u3002\n\nDahua IPC\u5b58\u5728\u8eab\u4efd\u8ba4\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u6784\u9020\u6076\u610f\u6570\u636e\u5305\u7ed5\u8fc7\u8bbe\u5907\u8eab\u4efd\u9a8c\u8bc1\u3002",
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-103420",
  "openTime": "2021-12-30",
  "patchDescription": "Dahua IPC\u662f\u4e2d\u56fd\u5927\u534e\uff08Dahua\uff09\u516c\u53f8\u7684\u5927\u534e\u7684\u4e00\u7cfb\u5217\u5de5\u63a7\u673a\u3002\r\n\r\nDahua IPC\u5b58\u5728\u8eab\u4efd\u8ba4\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u6784\u9020\u6076\u610f\u6570\u636e\u5305\u7ed5\u8fc7\u8bbe\u5907\u8eab\u4efd\u9a8c\u8bc1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Dahua IPC\u8eab\u4efd\u8ba4\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\uff08CNVD-2021-103420\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Dahua IPC"
  },
  "referenceLink": "https://packetstormsecurity.com/files/164423/Dahua-Authentication-Bypass.html",
  "serverity": "\u9ad8",
  "submitTime": "2021-10-14",
  "title": "Dahua IPC\u8eab\u4efd\u8ba4\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\uff08CNVD-2021-103420\uff09"
}

CVE-2021-33045 (GCVE-0-2021-33045)

Vulnerability from cvelistv5

Published

2021-09-15 21:50

Modified

2025-07-30 01:37

Severity ?

CWE

Improper Authentication

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.

References

▼	URL	Tags
	https://www.dahuasecurity.com/support/cybersecurity/details/957	x_refsource_MISC
	http://seclists.org/fulldisclosure/2021/Oct/13	mailing-list, x_refsource_FULLDISC
	http://packetstormsecurity.com/files/164423/Dahua-Authentication-Bypass.html	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	Some Dahua IP Camera, Video Intercom, NVR, XVR devices	Version: Dahua 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.

Show details on NVD website

JSON

To clipboard

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              "mailing-list",
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              "x_transferred"
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            "url": "http://seclists.org/fulldisclosure/2021/Oct/13"
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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