Known exploited vulnerability
CVE-2025-24472
The short answer
CVE-2025-24472 affects Fortinet FortiOS and is rated high (CVSS 8.1). CISA added it to the Known Exploited Vulnerabilities catalog on 2025-03-18: attackers are using it, so patch it first.
What it is
An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS 7.0.0 through 7.0.16 and FortiProxy 7.2.0 through 7.2.12, 7.0.0 through 7.0.19 may allow a remote unauthenticated attacker with prior knowledge of upstream and downstream devices serial numbers to gain super-admin privileges on the downstream device, if the Security Fabric is enabled, via crafted CSF proxy requests.
Weakness: CWE-288.
Severity
8.1 high
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Mar 18, 2025
Federal due date Apr 8, 2025
EPSS, next 30 days
7.2%
Higher than 94% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- High
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected products
FortiOS, FortiProxy. NVD's record lists the exact affected versions.
References
- fortiguard.fortinet.com/psirt/FG-IR-24-535 Vendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24472 US Government Resource
Questions
Is CVE-2025-24472 being exploited?
Yes. CISA added CVE-2025-24472 to its Known Exploited Vulnerabilities catalog on 2025-03-18, with a federal remediation due date of 2025-04-08. CISA lists it as used in ransomware campaigns.
How do I fix CVE-2025-24472?
CISA's required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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