How severe is CVE-2025-22859?

CVE-2025-22859 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-2025-22859 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-22859?

CVE-2025-22859 primarily affects Fortinet Forticlientems. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-22859?

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

Does CVE-2025-22859 have an EU (EUVD) identifier?

Yes. CVE-2025-22859 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14956.

When was CVE-2025-22859 published?

CVE-2025-22859 was published on 2025-05-13 and last updated on 2026-06-17.

CVE-2025-22859

CVE-2025-22859 is a medium-severity vulnerability in Fortinet Forticlientems 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-23.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-14956
Weakness: CWE-23
Affected product: Fortinet Forticlientems
Published: 2025-05-13
Last modified: 2026-06-17

Description

A Relative Path Traversal vulnerability [CWE-23] in FortiClientEMS 7.4.0 through 7.4.1 and FortiClientEMS Cloud 7.4.0 through 7.4.1 may allow a remote unauthenticated attacker to perform a limited arbitrary file write on the system via upload requests.

Frequently asked questions

What is CVE-2025-22859?: A Relative Path Traversal vulnerability [CWE-23] in FortiClientEMS 7.4.0 through 7.4.1 and FortiClientEMS Cloud 7.4.0 through 7.4.1 may allow a remote unauthenticated attacker to perform a limited arbitrary file write on the system via upload requests.
How severe is CVE-2025-22859?: CVE-2025-22859 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-2025-22859 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-22859?: CVE-2025-22859 primarily affects Fortinet Forticlientems. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-22859?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-22859 have an EU (EUVD) identifier?: Yes. CVE-2025-22859 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14956.
When was CVE-2025-22859 published?: CVE-2025-22859 was published on 2025-05-13 and last updated on 2026-06-17.

References

https://fortiguard.fortinet.com/psirt/FG-IR-24-552

Affected products (2)

cpe:2.3:a:fortinet:forticlientems:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:forticlientems_cloud:*:*:*:*:*:*:*:*

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