CVE-2025-59718
critical · 9.8Actively exploitedOn the CISA Known Exploited Vulnerabilities catalog
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| fortinet | fortiproxy | >= 7.0.0, < 7.0.22 |
| fortinet | fortiproxy | >= 7.2.0, < 7.2.15 |
| fortinet | fortiproxy | >= 7.4.0, < 7.4.11 |
| fortinet | fortiproxy | >= 7.6.0, < 7.6.4 |
| fortinet | fortiswitchmanager | >= 7.0.0, < 7.0.6 |
| fortinet | fortiswitchmanager | >= 7.2.0, < 7.2.7 |
| fortinet | fortios | >= 7.0.0, < 7.0.18 |
| fortinet | fortios | >= 7.2.0, < 7.2.12 |
| fortinet | fortios | >= 7.4.0, < 7.4.9 |
| fortinet | fortios | >= 7.6.0, < 7.6.4 |
| siemens | ruggedcom_ape1808_firmware | all versions |
| siemens | ruggedcom_ape1808 | all versions |
Check a specific version with /api/v1/cve/match.
References
- https://fortiguard.fortinet.com/psirt/FG-IR-25-647
- https://arcticwolf.com/resources/blog/arctic-wolf-observes-malicious-sso-logins-following-disclosure-cve-2025-59718-cve-2025-59719/
- https://cert-portal.siemens.com/productcert/html/ssa-864900.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-59718
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2025-59718