VMware vCenter Server - Arbitrary File Upload

2021-09-2208:05:36

ProjectDiscovery

github.com

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.5 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.974 High

EPSS

Percentile

99.9%

JSON

VMware vCenter Server contains an arbitrary file upload vulnerability in the Analytics service. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to execute code on vCenter Server by uploading a specially crafted file.

id: CVE-2021-22005

info:
  name: VMware vCenter Server - Arbitrary File Upload
  author: PR3R00T
  severity: critical
  description: VMware vCenter Server contains an arbitrary file upload vulnerability in the Analytics service. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to execute code on vCenter Server by uploading a specially crafted file.
  impact: |
    Allows an attacker to upload and execute arbitrary files on the target system
  remediation: |
    Apply the necessary security patches or updates provided by VMware
  reference:
    - https://kb.vmware.com/s/article/85717
    - https://www.vmware.com/security/advisories/VMSA-2021-0020.html
    - https://core.vmware.com/vmsa-2021-0020-questions-answers-faq
    - https://nvd.nist.gov/vuln/detail/CVE-2021-22005
    - 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-2021-22005
    cwe-id: CWE-22
    epss-score: 0.97389
    epss-percentile: 0.99909
    cpe: cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
  metadata:
    max-request: 2
    vendor: vmware
    product: cloud_foundation
  tags: cve2021,cve,vmware,vcenter,fileupload,kev,intrusive

http:
  - raw:
      - |
        GET / HTTP/1.1
        Host: {{Hostname}}
      - |
        POST /analytics/telemetry/ph/api/hyper/send?_c&_i=test HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/json

        test_data

    matchers:
      - type: dsl
        dsl:
          - "status_code_1 == 200"
          - "status_code_2 == 201"
          - "contains(body_1, 'VMware vSphere')"
          - "content_length_2 == 0"
        condition: and
# digest: 4a0a0047304502210096eeb1ab5ef33413e6827bc5c906e65ca58db66c0a4facc6185b209e745b14b7022003c37bb9242faba402e242e1e6d4443e7704ad4e1f9f5a437295a89d9a45f441:922c64590222798bb761d5b6d8e72950