CISA KEV · Known exploitedHigh

CVE-2025-24472

Fortinet FortiOS, FortiProxy, fortiproxy

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.

CVSS
8.1
EPSS
3.34%
87.5% percentile
CISA KEV
Listed
Published
2025.02.12
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability3.34%
Technical severityCVSS 8.1

Vulnerability overview

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 product and versions

Product
Fortinet FortiOS, FortiProxy, fortiproxy
Affected versions
7.0.0, 7.2.0, >= 7.0.0 < 7.0.20, >= 7.2.0 < 7.2.13, >= 7.0.0 < 7.0.17
Fixed versions
7.0.20, 7.2.13, 7.0.17

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA 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.

Due date: 2025.04.08
  1. 1
    Identify

    Confirm that Fortinet FortiOS, FortiProxy, fortiproxy and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-288
KEV added
2025.03.18
Ransomware use
확인됨
CVE-2025-24472 — Fortinet FortiOS, FortiProxy, fortiproxy | SECUFOCUS NOW