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CVE-2025-22252

Fortinet FortiOS authentication bypass

9.8 CRITICALEPSS 0.94%
  1. Published28 May 2025

Description

A missing authentication for critical function in Fortinet FortiProxy versions 7.6.0 through 7.6.1, FortiSwitchManager version 7.2.5, and FortiOS versions 7.4.4 through 7.4.6 and version 7.6.0 may allow an attacker with knowledge of an existing admin account to access the device as a valid admin via an authentication bypass.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Fortinet FortiProxy7.6.0
Fortinet Fortiswitchmanager7.2.5
Fortinet FortiOS≥ 7.4.4 < 7.4.7 · 7.6.0

Remediation

Fixed in
Fortinet FortiOS≥ 7.4.7

References

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Frequently asked

Is CVE-2025-22252 being actively exploited?

CVE-2025-22252 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.94%.

How severe is CVE-2025-22252?

CVE-2025-22252 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.94% probability of exploitation.

Which products are affected by CVE-2025-22252?

Affected products include Fortinet FortiProxy, Fortinet Fortiswitchmanager, Fortinet FortiOS.

How do I fix CVE-2025-22252?

Upgrade affected software to a fixed version, for example Fortinet FortiOS 7.4.7 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-22252 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.