Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2025-24472

FortiOS Authentication Bypass

Fortinet / FortiOS · 7.0.0 to <= 7.0.16

Watch CVE-2025-24472 Browse KEV feed
Severity
CVSS 8.1 · High
Confidence
Confirmed
Exploit status
Exploited in the wild
EPSS
7.2%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2025-24472 is an unauthenticated vulnerability affecting Fortinet FortiOS, FortiProxy. An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS 7.0.0 through 7.0.16 and...

Is it exploited?

Yes. Previdian tracks this CVE as a known exploited vulnerability. Confidence is confirmed. Listed in CISA KEV. Also confirmed by third-party sources.

Who is affected?

Fortinet / FortiOS 7.0.0 to <= 7.0.16.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

FortiOS Authentication Bypass

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.

Fortinet Affected
FortiOS
Through 7.0.16
Fortinet Affected
FortiProxy
Through 7.2.12 Through 7.0.19
Published
11 Feb 2025
Exploitation Reported
18 Mar 2025
Attack vector
Remote
Complexity
High
Privileges
None
User interaction
None

Tags

ios nessus_scanner edge ransomware cisa malware

CVE References

Exploitation evidence

Why Previdian marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 18 Mar 2025

A trusted third party reported exploitation.

Used in malware

CISA

Recorded 18 Mar 2025

Malware families have been linked to exploitation of this CVE.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian Pro API.

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Source Added
CISA First 2025-03-18 00:00 UTC
CVE 2026-07-08 13:20 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
User-Agents
Callback hosts
0
0
0

Request targets and User-Agents available in Pro. Callback host details available in Enterprise.

Virtual patch status

No Previdian virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner Reference Detected
Nessus https://www.tenable.com/plugins/nessus/214072 02 Jun 2025

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

8.1 High

Potential damage if exploited. Separate from whether attackers are using it.

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

EPSS

7.2%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Weaknesses

Authentication Bypass Using an Alternate Path or Channel CWE-288

Recent mention · RecordedFuture

August 2026 CVE Landscape

In August 2026, Insikt Group® identified 73 high-impact vulnerabilities that should be prioritized for remediation, 43 of which had a Very Critical Recorded Future Risk Score. This represents a 14% decrease from last month.

Read full advisory

Timeline

From disclosure to observed exploitation

  1. 13:20 UTC

    KEV confirmed by CVE

    Exploitation attested by an external source

  2. 09:25 UTC

    Nessus plugin available

    Scanner coverage available

  3. 00:00 UTC

    Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  4. 00:00 UTC

    First public exploitation report

    Exploit observed in malware

  5. 16:50 UTC

    CVE published

    Vulnerability disclosed publicly

  6. 20:48 UTC

    CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2025-24472

Free JSON includes basic KEV fields 
{
  "cve_id": "CVE-2025-24472",
  "confidence": "Confirmed",
  "cvss_score": 8.1,
  "cvss_estimated": false,
  "epss_score": 0.07235,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}