{
  "Name": "DaHua Login Bypass (CVE-2021-33045)",
  "Description": "<p>NVR, XVR, VTO, and IPC are video products under the umbrella of Dahua.</p><p>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.</p>",
  "Product": "Dahua",
  "Homepage": "https://www.dahuasecurity.com/",
  "DisclosureDate": "2021-10-06",
  "Author": "1291904552@qq.com",
  "FofaQuery": "body=\"WEB SERVICE\" && title==\"WEB SERVICE\"",
  "GobyQuery": "body=\"WEB SERVICE\" && title==\"WEB SERVICE\"",
  "Level": "3",
  "Impact": "<p>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.</p>",
  "Recommandation": "<p>The vendor has released a bug fix, please pay attention to the update in time: <a href=\"https://www.dahuasecurity.com/support/cybersecurity/details/957\">https://www.dahuasecurity.com/support/cybersecurity/details/957</a></p><p>1. Set access policies and whitelist access through security devices such as firewalls.</p><p>2. Upgrade the Apache system version.</p>",
  "Translation": {
    "CN": {
	  "Name": "大华视频部分产品存在登录绕过漏洞（CVE-2021-33045）",
	  "VulType": ["登录绕过"],
	  "Tags": ["登录绕过"],
      "Description": "<p>NVR, XVR, VTO, IPC是大华旗下的视频系列产品。</p><p>在登录过程中发现的身份认证绕过漏洞。攻击者可以通过构造恶意数据包来绕过设备身份验证,获取系统敏感配置和信息。</p>",
      "Impact": "<p>在登录过程中发现的身份认证绕过漏洞。攻击者可以通过构造恶意数据包来绕过设备身份验证,获取系统敏感配置和信息。</p>",
      "Product": "大华",
      "Recommendation": "<p>⼚商已发布了漏洞修复程序，请及时关注更新： <a href=\"https://www.dahuasecurity.com/support/cybersecurity/details/957\">https://www.dahuasecurity.com/support/cybersecurity/details/957</a></p><p>1、通过防⽕墙等安全设备设置访问策略，设置⽩名单访问。</p><p>2、升级Apache系统版本。</p>"
    },
	"EN": {
	  "Name": "DaHua Login Bypass (CVE-2021-33045)",
	  "VulType": ["login-bypass"],
	  "Tags": ["login-bypass"],
      "Description": "<p>NVR, XVR, VTO, and IPC are video products under the umbrella of Dahua.</p><p>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.</p>",
      "Impact": "<p>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.</p>",
      "Product": "Dahua",
      "Recommendation": "<p>The vendor has released a bug fix, please pay attention to the update in time: <a href=\"https://www.dahuasecurity.com/support/cybersecurity/details/957\">https://www.dahuasecurity.com/support/cybersecurity/details/957</a></p><p>1. Set access policies and whitelist access through security devices such as firewalls.</p><p>2.Upgrade the Apache system version.</p>"
    }
  },
  "References": [
    "https://www.dahuasecurity.com/support/cybersecurity/details/957"
  ],
  "HasExp": true,
  "ExpParams": null,
  "ExpTips": null,
  "ScanSteps": null,
  "ExploitSteps": null,
  "Tags": [
    "login-bypass"
  ],
  "VulType": ["login-bypass"],
  "CVEIDs": ["CVE-2021-33045"],
  "CVSSScore": "9.0",
  "AttackSurfaces": {
    "Application": null,
    "Support": null,
    "Service": null,
    "System": null,
    "Hardware": ["Dahua"]
  }
}