CVE-2022-39952criticalobserved exploitationCWE-73

CVE-2022-39952: critical vulnerability in Fortinet FortiNAC

Published · Updated

100Vexday Risk Score

Patch now. It exploitation observed by VulnCheck and has a working public exploit.

ssvc Actcvss 9.8epss 100%
from disclosure to weapon4 days
Published on NVDFeb 16
1st PoC+4d
metasploitFeb 16
VulnCheck+139d
exploitation probability
100%top 1% of all CVEs
observed exploitation
yesVulnCheck
8 public exploit(s)
In short

Fortinet FortiNAC has a vulnerability where an attacker can manipulate file paths through specially crafted requests, allowing them to run unauthorized code without needing to log in. This is critical because it gives attackers complete control over the affected system.

Technical detail

An external path traversal vulnerability (CWE-73) in FortiNAC allows unauthenticated attackers to execute arbitrary code by sending specially crafted HTTP requests that manipulate file name or path parameters. The vulnerability affects multiple versions and requires no authentication, enabling remote code execution with critical impact on system integrity and confidentiality.

Summary generated and translated by AI from the official description.
A external control of file name or path in Fortinet FortiNAC versions 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, 8.3.7 may allow an unauthenticated attacker to execute unauthorized code or commands via specifically crafted HTTP request.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:U/RC:C
Affected products
Fortinet · FortiNAC
public PoCs found — 8
githubgithub.com/horizon3ai/CVE-2022-39952★ 265githubgithub.com/Chocapikk/CVE-2022-39952★ 3githubgithub.com/shiyeshu/CVE-2022-39952_webshell★ 2githubgithub.com/dkstar11q/CVE-2022-39952-better★ 0vulncheckvulncheck.com/xdb/5650dfb0f190unverifiedvulncheckvulncheck.com/xdb/985d96eaea7aunverifiedvulncheckvulncheck.com/xdb/a3038f287610unverifiedvulncheckvulncheck.com/xdb/fff6750c86c4unverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Fortinet FortiNAC

In the same product, most dangerous first.

CVE-2023-33299CRITICALCVE-2023-33299EPSS 24.3%CVE-2023-33300MEDIUMCVE-2023-33300EPSS 13.7%CVE-2022-38375HIGHCVE-2022-38375EPSS 1.1%CVE-2024-31488MEDIUMCVE-2024-31488EPSS 1.0%CVE-2022-40677HIGHCVE-2022-40677EPSS 0.8%CVE-2022-39946HIGHCVE-2022-39946EPSS 0.7%
References
https://fortiguard.com/psirt/FG-IR-22-300