CVE-2024-26009
CVE-2024-26009 is a high-severity vulnerability in Fortinet Fortiswitchmanager with a CVSS 3.x base score of 8.1. 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-288.
Key facts
- Severity: High (CVSS 3.x base score 8.1)
- EPSS exploit prediction: 1% (42nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-23305
- Weakness: CWE-288
- Affected product: Fortinet Fortiswitchmanager
- Published:
- Last modified:
Description
An authentication bypass using an alternate path or channel [CWE-288] vulnerability in Fortinet FortiOS 6.4.0 through 6.4.15, FortiOS 6.2.0 through 6.2.16, FortiOS 6.0 all versions, FortiPAM 1.2.0, FortiPAM 1.1.0 through 1.1.2, FortiPAM 1.0.0 through 1.0.3, FortiProxy 7.4.0 through 7.4.2, FortiProxy 7.2.0 through 7.2.8, FortiProxy 7.0.0 through 7.0.15, FortiSwitchManager 7.2.0 through 7.2.3, FortiSwitchManager 7.0.0 through 7.0.3 allows an unauthenticated attacker to seize control of a managed device via crafted FGFM requests, if the device is managed by a FortiManager, and if the attacker knows that FortiManager's serial number.
Frequently asked questions
- What is CVE-2024-26009?
- An authentication bypass using an alternate path or channel [CWE-288] vulnerability in Fortinet FortiOS 6.4.0 through 6.4.15, FortiOS 6.2.0 through 6.2.16, FortiOS 6.0 all versions, FortiPAM 1.2.0, FortiPAM 1.1.0 through 1.1.2, FortiPAM 1.0.0 through 1.0.3, FortiProxy 7.4.0 through 7.4.2, FortiProxy 7.2.0 through 7.2.8, FortiProxy 7.0.0 through 7.0.15, FortiSwitchManager 7.2.0 through 7.2.3, FortiSwitchManager 7.0.0 through 7.0.3 allows an unauthenticated attacker to seize control of a managed device via crafted FGFM requests, if the device is managed by a FortiManager, and if the attacker knows that FortiManager's serial number.
- How severe is CVE-2024-26009?
- CVE-2024-26009 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2024-26009 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-26009?
- CVE-2024-26009 primarily affects Fortinet Fortiswitchmanager. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2024-26009?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2024-26009 have an EU (EUVD) identifier?
- Yes. CVE-2024-26009 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-23305.
- When was CVE-2024-26009 published?
- CVE-2024-26009 was published on 2025-08-12 and last updated on 2026-06-17.
References
Affected products (4)
- cpe:2.3:a:fortinet:fortiswitchmanager:*:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortipam:*:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
More vulnerabilities in Fortinet Fortiswitchmanager
- 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-2024-23113 — Critical (CVSS 9.8): A use of externally-controlled format string in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6,…
- CVE-2022-40684 — Critical (CVSS 9.8): An authentication bypass using an alternate path or channel [CWE-288] in Fortinet FortiOS version 7.2.0 through 7.2.1…
- CVE-2022-41335 — High (CVSS 8.8): A relative path traversal vulnerability [CWE-23] in Fortinet FortiOS version 7.2.0 through 7.2.2, 7.0.0 through 7.0.8…
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