How severe is CVE-2025-25251?

CVE-2025-25251 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-25251 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-25251?

CVE-2025-25251 affects Fortinet Forticlient. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-25251?

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-2025-25251 have an EU (EUVD) identifier?

Yes. CVE-2025-25251 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16290.

When was CVE-2025-25251 published?

CVE-2025-25251 was published on 2025-05-28 and last updated on 2026-06-17.

CVE-2025-25251

CVE-2025-25251 is a high-severity vulnerability in Fortinet Forticlient with a CVSS 3.x base score of 7.8. 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-863.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-16290
Weakness: CWE-863
Affected product: Fortinet Forticlient
Published: 2025-05-28
Last modified: 2026-06-17

Description

An Incorrect Authorization vulnerability [CWE-863] in FortiClient Mac 7.4.0 through 7.4.2, 7.2.0 through 7.2.8, 7.0.0 through 7.0.14 may allow a local attacker to escalate privileges via crafted XPC messages.

Frequently asked questions

What is CVE-2025-25251?: An Incorrect Authorization vulnerability [CWE-863] in FortiClient Mac 7.4.0 through 7.4.2, 7.2.0 through 7.2.8, 7.0.0 through 7.0.14 may allow a local attacker to escalate privileges via crafted XPC messages.
How severe is CVE-2025-25251?: CVE-2025-25251 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-25251 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-25251?: CVE-2025-25251 affects Fortinet Forticlient. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-25251?: 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-2025-25251 have an EU (EUVD) identifier?: Yes. CVE-2025-25251 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16290.
When was CVE-2025-25251 published?: CVE-2025-25251 was published on 2025-05-28 and last updated on 2026-06-17.

References

https://fortiguard.fortinet.com/psirt/FG-IR-25-016

Affected products (1)

cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:macos:*:*

More vulnerabilities in Fortinet Forticlient

CVE-2019-17658 — Critical (CVSS 9.8): An unquoted service path vulnerability in the FortiClient FortiTray component of FortiClientWindows v6.2.2 and prior…
CVE-2023-45590 — Critical (CVSS 9.6): An improper control of generation of code ('code injection') in Fortinet FortiClientLinux version 7.2.0, 7.0.6 through…
CVE-2020-15934 — High (CVSS 8.8): An execution with unnecessary privileges vulnerability in the VCM engine of FortiClient for Linux versions 6.2.7 and…
CVE-2017-14184 — High (CVSS 8.8): An Information Disclosure vulnerability in Fortinet FortiClient for Windows 5.6.0 and below versions, FortiClient for…
CVE-2016-8493 — High (CVSS 8.8): In FortiClientWindows 5.4.1 and 5.4.2, an attacker may escalate privilege via a FortiClientNamedPipe vulnerability.
CVE-2021-43066 — High (CVSS 8.4): A external control of file name or path in Fortinet FortiClientWindows version 7.0.2 and below, version 6.4.6 and…

All CVEs affecting Fortinet Forticlient →

Other CWE-863 (Incorrect Authorization) vulnerabilities

CVE-2026-48286 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9396 and earlier are affected by an Incorrect Authorization…
CVE-2026-48303 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9394 and earlier are affected by an Incorrect Authorization…
CVE-2026-44330 — Critical (CVSS 10.0): free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the…
CVE-2026-46595 — Critical (CVSS 10.0): Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of…
CVE-2026-33105 — Critical (CVSS 10.0): Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over…
CVE-2026-32213 — Critical (CVSS 10.0): Improper authorization in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-863 (Incorrect Authorization) vulnerabilities →