# FortiProxy vulnerabilities > FortiProxy is made by Fortinet. We track 105 published vulnerabilities in it, across 101 versions. 11 of them are on the list of flaws known to be exploited, the newest added on 16 December 2025. If you run FortiProxy, check your version against the exploited flaws below and patch those first. Canonical page: https://www.precursorintelligence.com/product/fortinet/fortiproxy ## At a glance - **Made by:** [Fortinet](https://www.precursorintelligence.com/vendors/fortinet) - **Published vulnerabilities:** 105 - **Known to be exploited:** 11 - **Versions tracked:** 101 - **Most recently added to the known-exploited list:** [CVE-2025-59718](https://www.precursorintelligence.com/what-is/cve-2025-59718), 16 December 2025. We keep watching the list. ## Which versions of FortiProxy do the exploited flaws hit? Each exploited flaw lists the versions it affects, as published. "7.0.0 to before 7.0.20" means from 7.0.0 up to, but not including, 7.0.20. - [CVE-2025-59718](https://www.precursorintelligence.com/what-is/cve-2025-59718) (Fortinet Multiple Products Improper Verification of Cryptographic Signature Vulnerability): 7.0.0 to 7.0.21, 7.2.0 to 7.2.14, 7.4.0 to 7.4.10, 7.6.0 to 7.6.3 - [CVE-2025-24472](https://www.precursorintelligence.com/what-is/cve-2025-24472) (Fortinet FortiOS and FortiProxy Authentication Bypass Vulnerability): 7.0.0 to before 7.0.20, 7.2.0 to before 7.2.13 - [CVE-2024-55591](https://www.precursorintelligence.com/what-is/cve-2024-55591) (Fortinet FortiOS and FortiProxy Authentication Bypass Vulnerability): 7.0.0 to before 7.0.20, 7.2.0 to before 7.2.13 - [CVE-2024-23113](https://www.precursorintelligence.com/what-is/cve-2024-23113) (Fortinet Multiple Products Format String Vulnerability): 7.0.0 to 7.0.14, 7.2.0 to 7.2.8, 7.4.0 to 7.4.2 - [CVE-2024-21762](https://www.precursorintelligence.com/what-is/cve-2024-21762) (Fortinet FortiOS Out-of-Bound Write Vulnerability): 1.0.0 to before 2.0.14, 7.0.0 to before 7.0.15, 7.2.0 to before 7.2.9, 7.4.0 to before 7.4.3 - [CVE-2023-27997](https://www.precursorintelligence.com/what-is/cve-2023-27997) (Fortinet FortiOS and FortiProxy SSL-VPN Heap-Based Buffer Overflow Vulnerability): 1.1.0 to 1.1.6, 1.2.0 to 1.2.13, 2.0.0 to 2.0.12, 7.0.0 to 7.0.9, 7.2.0 to 7.2.3 - [CVE-2022-42475](https://www.precursorintelligence.com/what-is/cve-2022-42475) (Fortinet FortiOS Heap-Based Buffer Overflow Vulnerability): 1.0.0 to 1.0.7, 1.1.0 to 1.1.6, 1.2.0 to 1.2.13, 2.0.0 to before 2.0.12, 7.0.0 to before 7.0.8, 7.2.0 to before 7.2.2 - [CVE-2022-40684](https://www.precursorintelligence.com/what-is/cve-2022-40684) (Fortinet Multiple Products Authentication Bypass Vulnerability): 7.0.0 to before 7.0.7, 7.2.0 - [CVE-2018-13383](https://www.precursorintelligence.com/what-is/cve-2018-13383) (Fortinet FortiOS and FortiProxy Out-of-bounds Write): before 1.2.9, 2.0.0 - [CVE-2018-13382](https://www.precursorintelligence.com/what-is/cve-2018-13382) (Fortinet FortiOS and FortiProxy Improper Authorization): before 1.2.9, 2.0.0 - [CVE-2018-13379](https://www.precursorintelligence.com/what-is/cve-2018-13379) (Fortinet FortiOS SSL VPN Path Traversal Vulnerability): before 1.2.9, 2.0.0 ## Which FortiProxy vulnerabilities are being exploited? 11 flaws are on the government list of vulnerabilities known to be exploited, newest first: - [CVE-2025-59718](https://www.precursorintelligence.com/what-is/cve-2025-59718): Fortinet Multiple Products Improper Verification of Cryptographic Signature Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 68%, known exploited since 16 December 2025. - [CVE-2025-24472](https://www.precursorintelligence.com/what-is/cve-2025-24472): Fortinet FortiOS and FortiProxy Authentication Bypass Vulnerability. High, CVSS 8.1, chance of use in 30 days 7.2%, known exploited since 18 March 2025. - [CVE-2024-55591](https://www.precursorintelligence.com/what-is/cve-2024-55591): Fortinet FortiOS and FortiProxy Authentication Bypass Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 94%, known exploited since 14 January 2025. - [CVE-2024-23113](https://www.precursorintelligence.com/what-is/cve-2024-23113): Fortinet Multiple Products Format String Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 62%, known exploited since 9 October 2024. - [CVE-2024-21762](https://www.precursorintelligence.com/what-is/cve-2024-21762): Fortinet FortiOS Out-of-Bound Write Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 83%, known exploited since 9 February 2024. - [CVE-2023-27997](https://www.precursorintelligence.com/what-is/cve-2023-27997): Fortinet FortiOS and FortiProxy SSL-VPN Heap-Based Buffer Overflow Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 86%, known exploited since 13 June 2023. - [CVE-2022-42475](https://www.precursorintelligence.com/what-is/cve-2022-42475): Fortinet FortiOS Heap-Based Buffer Overflow Vulnerability. Critical, CVSS 9.8, chance of use in 30 days >99%, known exploited since 13 December 2022. - [CVE-2022-40684](https://www.precursorintelligence.com/what-is/cve-2022-40684): Fortinet Multiple Products Authentication Bypass Vulnerability. Critical, CVSS 9.8, chance of use in 30 days >99%, known exploited since 11 October 2022. - [CVE-2018-13383](https://www.precursorintelligence.com/what-is/cve-2018-13383): Fortinet FortiOS and FortiProxy Out-of-bounds Write. Medium, CVSS 4.3, chance of use in 30 days 34%, known exploited since 10 January 2022. - [CVE-2018-13382](https://www.precursorintelligence.com/what-is/cve-2018-13382): Fortinet FortiOS and FortiProxy Improper Authorization. Critical, CVSS 9.1, chance of use in 30 days 82%, known exploited since 10 January 2022. - [CVE-2018-13379](https://www.precursorintelligence.com/what-is/cve-2018-13379): Fortinet FortiOS SSL VPN Path Traversal Vulnerability. Critical, CVSS 9.1, chance of use in 30 days >99%, known exploited since 3 November 2021. ## Which FortiProxy flaws are most likely to be used? Ranked by the latest exploit-likelihood forecast (the chance each flaw is used in an attack in the next 30 days): - [CVE-2018-13379](https://www.precursorintelligence.com/what-is/cve-2018-13379): >99%, Critical (CVSS 9.1), known exploited - [CVE-2022-40684](https://www.precursorintelligence.com/what-is/cve-2022-40684): >99%, Critical (CVSS 9.8), known exploited - [CVE-2022-42475](https://www.precursorintelligence.com/what-is/cve-2022-42475): >99%, Critical (CVSS 9.8), known exploited - [CVE-2024-55591](https://www.precursorintelligence.com/what-is/cve-2024-55591): 94%, Critical (CVSS 9.8), known exploited - [CVE-2023-27997](https://www.precursorintelligence.com/what-is/cve-2023-27997): 86%, Critical (CVSS 9.8), known exploited - [CVE-2024-21762](https://www.precursorintelligence.com/what-is/cve-2024-21762): 83%, Critical (CVSS 9.8), known exploited - [CVE-2018-13382](https://www.precursorintelligence.com/what-is/cve-2018-13382): 82%, Critical (CVSS 9.1), known exploited - [CVE-2025-59718](https://www.precursorintelligence.com/what-is/cve-2025-59718): 68%, Critical (CVSS 9.8), known exploited - [CVE-2018-13380](https://www.precursorintelligence.com/what-is/cve-2018-13380): 62%, Medium (CVSS 6.1) - [CVE-2024-23113](https://www.precursorintelligence.com/what-is/cve-2024-23113): 62%, Critical (CVSS 9.8), known exploited ## Questions ### How many vulnerabilities does FortiProxy have? We track 105 published vulnerabilities listed under the name FortiProxy, across 101 versions. The most recent FortiProxy flaw added to the known-exploited list is CVE-2025-59718, on 16 December 2025. ### Which FortiProxy vulnerabilities are being exploited? 11 are on the list of flaws known to be exploited. The most recently added are CVE-2025-59718, CVE-2025-24472 and CVE-2024-55591. ### Which versions of FortiProxy do the exploited flaws affect? Each flaw names its own versions, usually as ranges. The newest, CVE-2025-59718, affects 7.0.0 to 7.0.21, 7.2.0 to 7.2.14, 7.4.0 to 7.4.10, 7.6.0 to 7.6.3. The versions for every exploited flaw are listed on this page. ### How do I get alerts for FortiProxy? Create a Precursor Intelligence account and track FortiProxy. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook. ## Running FortiProxy? Precursor Intelligence keeps checking for you: - **Tell us what you run.** Pick your software from a list, or let us work it out from your website. - **We match it to every flaw.** Over 400,000 published flaws, checked against your list. - **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it. - **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools. Start free (no card, nothing to install): https://www.precursorintelligence.com/register Book a demo: https://www.precursorintelligence.com/contact