CVE-2023-37930 Memory corruption in FortiOS

What is CVE-2023-37930?

CVE-2023-37930 is a medium-severity memory corruption vulnerability in Fortinet Fortios, published on 8 Apr 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Multiple issues including the use of uninitialized ressources [CWE-908] and excessive iteration [CWE-834] vulnerabilities vulnerability in Fortinet allows a VPN user to corrupt memory potentially leading to code or commands execution via specifically crafted requests.

Weakness: CWE-908

Which versions are affected by CVE-2023-37930?

It affects 2 products.

Products include Fortinet Fortios, Fortinet Fortiproxy.

How do I fix CVE-2023-37930?

No fix has been published for CVE-2023-37930 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-37930 being exploited?

There is no known exploitation of CVE-2023-37930 in the wild and no public exploit code.

Other vulnerabilities in Fortinet Fortios

• CVE-2024-23113 Fortinet Multiple Products Format String Exploited Critical 9.8
• CVE-2022-40684 Fortinet Multiple Products Authentication Bypass Exploited Critical 9.8
• CVE-2024-55591 Fortinet FortiOS and FortiProxy Authentication Bypass Exploited Critical 9.6
• CVE-2024-21762 Fortinet FortiOS Out-of-Bound Write Exploited Critical 9.6
• CVE-2022-42475 Fortinet FortiOS Heap-Based Buffer Overflow Exploited Critical 9.3

All Fortinet Fortios vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-48pm-jhrv-8jrv.