How severe is CVE-2025-24472?

CVE-2025-24472 has a CVSS score of 8.1/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2025-24472?

Affected package information for CVE-2025-24472 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2025-24472?

No fixed version has been published for CVE-2025-24472 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2025-24472 actively exploited in the wild?

No public exploit code has been indexed for CVE-2025-24472 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2025-24472?

CVE-2025-24472 has an EPSS (Exploit Prediction Scoring System) score of 10.4%, placing it in the 93th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score warrants monitoring and prompt remediation.

Is CVE-2025-24472 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2025-24472 (Fortinet FortiOS and FortiProxy Authentication Bypass Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2025-03-18. CISA required all US federal civilian agencies to remediate this vulnerability by 2025-04-08. The required action was: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. This CVE has been used in known ransomware campaigns. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2025-24472?

CVE-2025-24472 is classified as CWE-288 (CWE-288). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2025-24472?

CVE-2025-24472 affects fortinet fortios; fortinet fortiproxy. Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2025-24472 published, and has it been updated?

CVE-2025-24472 was published on February 11, 2025 and was last updated on October 24, 2025. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CVE-2025-24472: Fortios CWE-288 (High 8.1)

EPSS Exploitation Probability

via FIRST.org ↗

10.4%probability of exploitation in next 30 days

Moderate Risk93th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

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.

Affected Products

2 products · 3 configurations

OS

fortiosfortinet

≥ 7.0.0 && < 7.0.17

range

Application

fortiproxyfortinet

≥ 7.2.0 && < 7.2.13

range

Frequently Asked Questions

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.

O3 Security · Impact-Aware SCA

Is CVE-2025-24472 in your stack?

O3 detects CVE-2025-24472 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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