CVE-2023-44247 Use after free in FortiOS

What is CVE-2023-44247?

CVE-2023-44247 is a medium-severity use after free vulnerability in Fortinet Fortios, published on 14 May 2024. 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 6.4 all versions may allow a privileged attacker to execute code or commands via crafted HTTP or HTTPs requests.

Weakness: CWE-415

Which versions are affected by CVE-2023-44247?

It affects 1 product.

Products include Fortinet Fortios.

How do I fix CVE-2023-44247?

No fix has been published for CVE-2023-44247 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-2023-44247 being exploited?

There is no known exploitation of CVE-2023-44247 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-f7hp-qcv4-6w2q.