FKIE_CVE-2025-48840
Vulnerability from fkie_nvd - Published: 2026-03-10 18:17 - Updated: 2026-06-17 09:30
Severity
Summary
An authentication bypass by spoofing vulnerability in Fortinet FortiWeb 7.6.0 through 7.6.3, FortiWeb 7.4.0 through 7.4.8, FortiWeb 7.2 all versions, FortiWeb 7.0 all versions may allow a remote unauthenticated attacker to bypass hostname restrictions via a specially crafted request.
References
| URL | Tags | ||
|---|---|---|---|
| psirt@fortinet.com | https://fortiguard.fortinet.com/psirt/FG-IR-26-097 | Vendor Advisory |
{
"affected": [
{
"affectedData": [
{
"cpes": [
"cpe:2.3:a:fortinet:fortiweb:7.6.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.6.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.6.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.6.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.4.8:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.4.7:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.4.6:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.4.5:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.4.4:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.4.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.4.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.4.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.4.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.2.12:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.2.11:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.2.10:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.2.9:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.2.8:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.2.7:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.2.6:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.2.5:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.2.4:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.2.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.2.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.2.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.2.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.0.12:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.0.11:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.0.10:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.0.9:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.0.8:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.0.7:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.0.6:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.0.5:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.0.4:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.0.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.0.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.0.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiweb:7.0.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unaffected",
"product": "FortiWeb",
"vendor": "Fortinet",
"versions": [
{
"lessThanOrEqual": "7.6.3",
"status": "affected",
"version": "7.6.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.4.8",
"status": "affected",
"version": "7.4.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.2.12",
"status": "affected",
"version": "7.2.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.0.12",
"status": "affected",
"version": "7.0.0",
"versionType": "semver"
}
]
}
],
"source": "psirt@fortinet.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*",
"matchCriteriaId": "3CF747E0-A38B-4B27-B285-11BBAF80FD3C",
"versionEndExcluding": "7.4.9",
"versionStartIncluding": "7.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*",
"matchCriteriaId": "2B739434-1979-43F9-AEC1-D287B1BCA5CA",
"versionEndExcluding": "7.6.4",
"versionStartIncluding": "7.6.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An authentication bypass by spoofing vulnerability in Fortinet FortiWeb 7.6.0 through 7.6.3, FortiWeb 7.4.0 through 7.4.8, FortiWeb 7.2 all versions, FortiWeb 7.0 all versions may allow a remote unauthenticated attacker to bypass hostname restrictions via a specially crafted request."
},
{
"lang": "es",
"value": "Una vulnerabilidad de omisi\u00f3n de autenticaci\u00f3n por suplantaci\u00f3n en Fortinet FortiWeb 7.6.0 hasta 7.6.3, FortiWeb 7.4.0 hasta 7.4.8, FortiWeb 7.2 todas las versiones, FortiWeb 7.0 todas las versiones puede permitir a un atacante remoto no autenticado omitir las restricciones de nombre de host a trav\u00e9s de una solicitud especialmente dise\u00f1ada."
}
],
"id": "CVE-2025-48840",
"lastModified": "2026-06-17T09:30:23.770",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 1.4,
"source": "psirt@fortinet.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-48840",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-03-12T14:29:49.514729Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-03-10T18:17:57.207",
"references": [
{
"source": "psirt@fortinet.com",
"tags": [
"Vendor Advisory"
],
"url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-097"
}
],
"sourceIdentifier": "psirt@fortinet.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-290"
}
],
"source": "psirt@fortinet.com",
"type": "Secondary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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