How severe is CVE-2024-55599?

CVE-2024-55599 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2024-55599 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-55599?

CVE-2024-55599 primarily affects Fortinet Fortiproxy. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-55599?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-55599 have an EU (EUVD) identifier?

Yes. CVE-2024-55599 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-54758.

When was CVE-2024-55599 published?

CVE-2024-55599 was published on 2025-07-08 and last updated on 2026-06-17.

CVE-2024-55599

CVE-2024-55599 is a medium-severity vulnerability in Fortinet Fortiproxy with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-358.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-54758
Weakness: CWE-358
Affected product: Fortinet Fortiproxy
Published: 2025-07-08
Last modified: 2026-06-17

Description

An Improperly Implemented Security Check for Standard vulnerability [CWE-358] in FortiOS version 7.6.0, version 7.4.7 and below, 7.0 all versions, 6.4 all versions and FortiProxy version 7.6.1 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions may allow a remote unauthenticated user to bypass the DNS filter via Apple devices.

Frequently asked questions

What is CVE-2024-55599?: An Improperly Implemented Security Check for Standard vulnerability [CWE-358] in FortiOS version 7.6.0, version 7.4.7 and below, 7.0 all versions, 6.4 all versions and FortiProxy version 7.6.1 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions may allow a remote unauthenticated user to bypass the DNS filter via Apple devices.
How severe is CVE-2024-55599?: CVE-2024-55599 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2024-55599 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-55599?: CVE-2024-55599 primarily affects Fortinet Fortiproxy. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-55599?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-55599 have an EU (EUVD) identifier?: Yes. CVE-2024-55599 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-54758.
When was CVE-2024-55599 published?: CVE-2024-55599 was published on 2025-07-08 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisase:24.4.32:*:*:*:-:*:*:*
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:*

More vulnerabilities in Fortinet Fortiproxy

CVE-2026-24858 — Critical (CVSS 9.8): An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] vulnerability in Fortinet…
CVE-2025-59718 — Critical (CVSS 9.8): A improper verification of cryptographic signature vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0…
CVE-2025-22252 — Critical (CVSS 9.8): A missing authentication for critical function in Fortinet FortiProxy versions 7.6.0 through 7.6.1, FortiSwitchManager…
CVE-2023-25610 — Critical (CVSS 9.8): A buffer underwrite ('buffer underflow') vulnerability in the administrative interface of Fortinet FortiOS version…
CVE-2024-55591 — Critical (CVSS 9.8): An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS version 7.0.0…
CVE-2023-42789 — Critical (CVSS 9.8): A out-of-bounds write in Fortinet FortiOS 7.4.0 through 7.4.1, 7.2.0 through 7.2.5, 7.0.0 through 7.0.12, 6.4.0 through…

All CVEs affecting Fortinet Fortiproxy →

Other CWE-358 vulnerabilities

CVE-2018-0268 — Critical (CVSS 10.0): A vulnerability in the container management subsystem of Cisco Digital Network Architecture (DNA) Center could allow an…
CVE-2022-25152 — Critical (CVSS 9.9): The ITarian platform (SAAS / on-premise) offers the possibility to run code on agents via a function called procedures.…
CVE-2025-66603 — Critical (CVSS 9.8): A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. The web server accepts the…
CVE-2025-62583 — Critical (CVSS 9.8): Whale Browser before 4.33.325.17 allows an attacker to escape the iframe sandbox in a dual-tab environment.
CVE-2023-3266 — Critical (CVSS 9.8): A non-feature complete authentication mechanism exists in the production application allowing an attacker to bypass all…
CVE-2019-6742 — Critical (CVSS 9.8): This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Samsung Galaxy S9…

Browse all CWE-358 vulnerabilities →