CVE-2023-45584 Use after free in FortiOS

What is CVE-2023-45584?

CVE-2023-45584 is a medium-severity use after free vulnerability in Fortinet Fortios, published on 12 Aug 2025. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A double free vulnerability [CWE-415] vulnerability in Fortinet FortiOS 7.4.0, FortiOS 7.2.0 through 7.2.5, FortiOS 7.0.0 through 7.0.12, FortiOS 6.4 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions, FortiProxy 7.4.0 through 7.4.1, FortiProxy 7.2.0 through 7.2.7, FortiProxy 7.0.0 through 7.0.13 allows a privileged attacker to execute code or commands via crafted HTTP or HTTPs requests.

Weakness: CWE-415

Which versions are affected by CVE-2023-45584?

It affects 3 products.

Products include Fortinet Fortios, Fortinet Fortipam, Fortinet Fortiproxy.

How do I fix CVE-2023-45584?

No fix has been published for CVE-2023-45584 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2023-45584 being exploited?

There is no known exploitation of CVE-2023-45584 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-cqjp-8gg8-rwv9.