FKIE_CVE-2025-53379
Vulnerability from fkie_nvd - Published: 2026-07-14 16:16 - Updated: 2026-07-14 16:38
Severity
Summary
A out-of-bounds read vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.2, FortiAuthenticator 6.5 all versions may allow a remote unauthenticated attacker to retrieve sensitive information via a specially crafted request.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"cpes": [
"cpe:2.3:a:fortinet:fortiauthenticator:6.6.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.6.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.6.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.5.7:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.5.6:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.5.5:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.5.4:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.5.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.5.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.5.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.5.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.4.11:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.4.10:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.4.9:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.4.8:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.4.7:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.4.6:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.4.5:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.4.4:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.4.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.4.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.4.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.4.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.3.5:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.3.4:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.3.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.3.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.3.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiauthenticator:6.3.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unaffected",
"product": "FortiAuthenticator",
"vendor": "Fortinet",
"versions": [
{
"lessThanOrEqual": "6.6.2",
"status": "affected",
"version": "6.6.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.5.7",
"status": "affected",
"version": "6.5.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.4.11",
"status": "affected",
"version": "6.4.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.3.5",
"status": "affected",
"version": "6.3.0",
"versionType": "semver"
}
]
}
],
"source": "psirt@fortinet.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A out-of-bounds read vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.2, FortiAuthenticator 6.5 all versions may allow a remote unauthenticated attacker to retrieve sensitive information via a specially crafted request."
}
],
"id": "CVE-2025-53379",
"lastModified": "2026-07-14T16:38:41.077",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "psirt@fortinet.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-53379",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-14T15:55:57.538368Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-07-14T16:16:42.477",
"references": [
{
"source": "psirt@fortinet.com",
"url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-146"
}
],
"sourceIdentifier": "psirt@fortinet.com",
"vulnStatus": "Undergoing Analysis",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-125"
}
],
"source": "psirt@fortinet.com",
"type": "Primary"
}
]
}
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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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