CVE-2025-59718

CVE Enrichment

CVSS: 9.8 CRITICAL
EPSS: 68.29%
EPSS Percentile: 99.34%
CISA KEV: YES — Known Exploited Vulnerability

Description

A improper verification of cryptographic signature vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiProxy 7.6.0 through 7.6.3, FortiProxy 7.4.0 through 7.4.10, FortiProxy 7.2.0 through 7.2.14, FortiProxy 7.0.0 through 7.0.21, FortiSwitchManager 7.2.0 through 7.2.6, FortiSwitchManager 7.0.0 through 7.0.5 allows an unauthenticated attacker to bypass the FortiCloud SSO login authentication via a crafted SAML response message.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: [email protected]
Published: 10-Dec-2025 01:15
Last Modified: 17-Jun-2026 16:46
EPSS Date: 2026-11-05
CWE: CWE-347

CVSS Vector


            CVSS:3.1                            AV:N /
                            AC:L /
                            PR:N /
                            UI:N /
                            S:U /
                            C:H /
                            I:H /
                            A:H

CISA KEV Details

Date Added: 2025-12-16
Remediation Due: 2025-12-23
Known Ransomware Campaign Use: Unknown
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.
Notes: https://fortiguard.fortinet.com/psirt/FG-IR-25-647 ; https://docs.fortinet.com/upgrade-tool/fortigate ; https://nvd.nist.gov/vuln/detail/CVE-2025-59718

CNA Products / Version Status

Siemens · RUGGEDCOM APE1808 Source: CNA · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Default status: unknown

0 ≤ version < * — affected (custom)
Fortinet · FortiOS Source: CNA · [email protected]
Default status: unaffected

7.6.0 ≤ version ≤ 7.6.3 — affected (semver)
7.4.0 ≤ version ≤ 7.4.8 — affected (semver)
7.2.0 ≤ version ≤ 7.2.11 — affected (semver)
7.0.0 ≤ version ≤ 7.0.17 — affected (semver)

CPEs: cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.6.2:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.6.1:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.4.8:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.4.7:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.4.6:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.4.5:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.4.4:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.4.3:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.4.2:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.4.1:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.4.0:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.2.11:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.2.10:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.2.9:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.2.8:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.2.7:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.2.6:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.2.5:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.2.4:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.2.3:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.2.2:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.2.1:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.2.0:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.0.17:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.0.16:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.0.15:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.0.14:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.0.13:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.0.12:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.0.11:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.0.10:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.0.9:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.0.8:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.0.7:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.0.6:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.0.5:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.0.4:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.0.3:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.0.2:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.0.1:*:*:*:*:*:*:*, cpe:2.3:o:fortinet:fortios:7.0.0:*:*:*:*:*:*:*
Fortinet · FortiProxy Source: CNA · [email protected]
Default status: unaffected

7.6.0 ≤ version ≤ 7.6.3 — affected (semver)
7.4.0 ≤ version ≤ 7.4.10 — affected (semver)
7.2.0 ≤ version ≤ 7.2.14 — affected (semver)
7.0.0 ≤ version ≤ 7.0.21 — affected (semver)

CPEs: cpe:2.3:a:fortinet:fortiproxy:7.6.3:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.6.2:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.6.1:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.6.0:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.4.10:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.4.9:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.4.8:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.4.7:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.4.6:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.4.5:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.4.4:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.4.3:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.4.2:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.4.1:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.4.0:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.2.14:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.2.13:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.2.12:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.2.11:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.2.10:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.2.9:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.2.8:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.2.7:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.2.6:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.2.5:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.2.4:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.2.3:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.2.2:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.2.1:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.2.0:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.0.21:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.0.20:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.0.19:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.0.18:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.0.17:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.0.16:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.0.15:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.0.14:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.0.13:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.0.12:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.0.11:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.0.10:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.0.9:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.0.8:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.0.7:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.0.6:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.0.5:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.0.4:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.0.3:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.0.2:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.0.1:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiproxy:7.0.0:*:*:*:*:*:*:*
Fortinet · FortiSwitchManager Source: CNA · [email protected]
Default status: unaffected

7.2.0 ≤ version ≤ 7.2.6 — affected (semver)
7.0.0 ≤ version ≤ 7.0.5 — affected (semver)

CPEs: cpe:2.3:a:fortinet:fortiswitchmanager:7.2.6:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiswitchmanager:7.2.5:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiswitchmanager:7.2.4:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiswitchmanager:7.2.3:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiswitchmanager:7.2.2:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiswitchmanager:7.2.1:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiswitchmanager:7.2.0:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiswitchmanager:7.0.5:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiswitchmanager:7.0.4:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiswitchmanager:7.0.3:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiswitchmanager:7.0.2:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiswitchmanager:7.0.1:*:*:*:*:*:*:*, cpe:2.3:a:fortinet:fortiswitchmanager:7.0.0:*:*:*:*:*:*:*

Affected Products / Versions

fortinet / fortiproxy Source: NVD CPE · affected
Version / affected range: * · from (inclusive) 7.0.0 · before (exclusive) 7.0.22
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
fortinet / fortiproxy Source: NVD CPE · affected
Version / affected range: * · from (inclusive) 7.2.0 · before (exclusive) 7.2.15
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
fortinet / fortiproxy Source: NVD CPE · affected
Version / affected range: * · from (inclusive) 7.4.0 · before (exclusive) 7.4.11
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
fortinet / fortiproxy Source: NVD CPE · affected
Version / affected range: * · from (inclusive) 7.6.0 · before (exclusive) 7.6.4
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
fortinet / fortiswitchmanager Source: NVD CPE · affected
Version / affected range: * · from (inclusive) 7.0.0 · before (exclusive) 7.0.6
cpe:2.3:a:fortinet:fortiswitchmanager:*:*:*:*:*:*:*:*
fortinet / fortiswitchmanager Source: NVD CPE · affected
Version / affected range: * · from (inclusive) 7.2.0 · before (exclusive) 7.2.7
cpe:2.3:a:fortinet:fortiswitchmanager:*:*:*:*:*:*:*:*
fortinet / fortios Source: NVD CPE · affected
Version / affected range: * · from (inclusive) 7.0.0 · before (exclusive) 7.0.18
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
fortinet / fortios Source: NVD CPE · affected
Version / affected range: * · from (inclusive) 7.2.0 · before (exclusive) 7.2.12
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
fortinet / fortios Source: NVD CPE · affected
Version / affected range: * · from (inclusive) 7.4.0 · before (exclusive) 7.4.9
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
fortinet / fortios Source: NVD CPE · affected
Version / affected range: * · from (inclusive) 7.6.0 · before (exclusive) 7.6.4
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
siemens / ruggedcom_ape1808_firmware Source: NVD CPE · affected
Version / affected range: -
cpe:2.3:o:siemens:ruggedcom_ape1808_firmware:-:*:*:*:*:*:*:*

References

Last enrichment sync: 06-Nov-2026 21:13
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (2)

Rapid7’s IR team investigated exploitation of CVE-2025-59718 that enabled an SSO authentication bypass on FortiGate appliances, which attackers used to create admin accounts, download device configurations, and gain Rapid7 Details FortiGate CVE-2025-59718 Exploitation and Incident Response Findings
#FortiGate #CVE-2025-59718 #CVE-2025-59719 #CVE-2026-24858 #fortidcagent #ActiveDirectory #Pulseway #MeshAgent #NTDS.dit Attackers Exploit FortiGate Appliances to Access Networks and Steal Service Account Credentials

CVE (2)

People (4)

MITRE ATT&CK (16)

Vendors (2)

Products (3)

Tools (5)

Industries (3)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.