CVE-2023-33300
Published: 14 March 2025
Summary
CVE-2023-33300 is a medium-severity Command Injection (CWE-77) vulnerability in Fortinet Fortinac. Its CVSS base score is 5.3 (Medium).
Operationally, ranked in the top 11.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2023-33300 is a command injection vulnerability, tracked under CWE-77, that affects Fortinet FortiNAC versions 7.2.1 and earlier as well as 9.4.3 and earlier. The flaw resides in the inter-server communication port and stems from improper neutralization of special elements used in commands, enabling limited unauthorized file access when a specifically crafted request is processed. It carries a CVSS 3.1 base score of 5.3 with a vector of AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
An unauthenticated attacker with network access can exploit the issue by sending crafted requests to the inter-server port, resulting in limited integrity impact through unauthorized file access without requiring user interaction or elevated privileges.
The Fortinet advisory FG-IR-23-096 provides official guidance on the vulnerability. The EPSS score reached a peak of 0.0548 on 2025-12-11 before receding to the current value of 0.0400.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-37463
Vulnerability details
A improper neutralization of special elements used in a command ('command injection') in Fortinet FortiNAC 7.2.1 and earlier, 9.4.3 and earlier allows attacker a limited, unauthorized file access via specifically crafted request in inter-server communication port.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.