CVE-2025-59718 (GCVE-0-2025-59718)
Vulnerability from cvelistv5
Published
2025-12-09 17:20
Modified
2025-12-17 04:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-347 - Improper access control
Summary
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.
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fortinet | FortiSwitchManager |
Version: 7.2.0 ≤ 7.2.6 Version: 7.0.0 ≤ 7.0.5 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:*:*:*:*:*:*:* |
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CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog
Date added: 2025-12-16
Due date: 2025-12-23
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.
Used in ransomware: Unknown
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
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"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"metrics": [
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"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C",
"version": "3.1"
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"description": "Improper access control",
"lang": "en",
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"providerMetadata": {
"dateUpdated": "2025-12-09T17:20:11.783Z",
"orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
"shortName": "fortinet"
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"references": [
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"url": "https://fortiguard.fortinet.com/psirt/FG-IR-25-647"
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"solutions": [
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"lang": "en",
"value": "Upgrade to FortiSwitchManager version 7.2.7 or above\nUpgrade to FortiSwitchManager version 7.0.6 or above\nUpgrade to upcoming FortiPAM version 1.8.0 or above\nUpgrade to FortiProxy version 7.6.4 or above\nUpgrade to FortiProxy version 7.4.11 or above\nUpgrade to FortiProxy version 7.2.15 or above\nUpgrade to FortiProxy version 7.0.22 or above\nFortinet remediated this issue in FortiSASE version 25.3.b and hence customers do not need to perform any action.\nUpgrade to FortiWeb version 8.0.1 or above\nUpgrade to FortiWeb version 7.6.5 or above\nUpgrade to FortiWeb version 7.4.10 or above\nUpgrade to FortiOS version 7.6.4 or above\nUpgrade to FortiOS version 7.4.9 or above\nUpgrade to FortiOS version 7.2.12 or above\nUpgrade to FortiOS version 7.0.18 or above"
}
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"assignerShortName": "fortinet",
"cveId": "CVE-2025-59718",
"datePublished": "2025-12-09T17:20:11.783Z",
"dateReserved": "2025-09-19T04:30:39.464Z",
"dateUpdated": "2025-12-17T04:55:19.578Z",
"state": "PUBLISHED"
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"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"cisa_known_exploited": {
"cveID": "CVE-2025-59718",
"cwes": "[\"CWE-347\"]",
"dateAdded": "2025-12-16",
"dueDate": "2025-12-23",
"knownRansomwareCampaignUse": "Unknown",
"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",
"product": "Multiple Products",
"requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
"shortDescription": "Fortinet FortiOS, FortiSwitchMaster, FortiProxy, and FortiWeb contain an improper verification of cryptographic signature vulnerability that may allow an unauthenticated attacker to bypass the FortiCloud SSO login authentication via a crafted SAML message. Please be aware that CVE-2025-59719 pertains to the same problem and is mentioned in the same vendor advisory. Ensure to apply all patches mentioned in the advisory.",
"vendorProject": "Fortinet",
"vulnerabilityName": "Fortinet Multiple Products Improper Verification of Cryptographic Signature Vulnerability"
},
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"vulnrichment": {
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\"version\": \"7.2.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"7.2.11\"}, {\"status\": \"affected\", \"version\": \"7.0.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"7.0.17\"}], \"defaultStatus\": \"unaffected\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Upgrade to FortiSwitchManager version 7.2.7 or above\\nUpgrade to FortiSwitchManager version 7.0.6 or above\\nUpgrade to upcoming FortiPAM version 1.8.0 or above\\nUpgrade to FortiProxy version 7.6.4 or above\\nUpgrade to FortiProxy version 7.4.11 or above\\nUpgrade to FortiProxy version 7.2.15 or above\\nUpgrade to FortiProxy version 7.0.22 or above\\nFortinet remediated this issue in FortiSASE version 25.3.b and hence customers do not need to perform any action.\\nUpgrade to FortiWeb version 8.0.1 or above\\nUpgrade to FortiWeb version 7.6.5 or above\\nUpgrade to FortiWeb version 7.4.10 or above\\nUpgrade to FortiOS version 7.6.4 or above\\nUpgrade to FortiOS version 7.4.9 or above\\nUpgrade to FortiOS version 7.2.12 or above\\nUpgrade to FortiOS version 7.0.18 or above\"}], \"references\": [{\"url\": \"https://fortiguard.fortinet.com/psirt/FG-IR-25-647\", \"name\": \"https://fortiguard.fortinet.com/psirt/FG-IR-25-647\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-347\", \"description\": \"Improper access control\"}]}], \"providerMetadata\": {\"orgId\": \"6abe59d8-c742-4dff-8ce8-9b0ca1073da8\", \"shortName\": \"fortinet\", \"dateUpdated\": \"2025-12-09T17:20:11.783Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2025-59718\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-12-16T23:20:23.881Z\", \"dateReserved\": \"2025-09-19T04:30:39.464Z\", \"assignerOrgId\": \"6abe59d8-c742-4dff-8ce8-9b0ca1073da8\", \"datePublished\": \"2025-12-09T17:20:11.783Z\", \"assignerShortName\": \"fortinet\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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