CVE-2021-36178
Status: ModifiedMedium (6.5)—
A insufficiently protected credentials in Fortinet FortiSDNConnector version 1.1.7 and below allows attacker to disclose third-party devices credential information via configuration page lookup.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Base score: 6.5
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 0.61%
- Percentile among all scored CVEs: 48
- Score date: 10/7/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (1)
CWEs
- CWE-522
References
Raw JSON (NVD)
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{
"id": "CVE-2021-36178",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2021-36178",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-10-23T13:58:14.516117Z"
}
}
],
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
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"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
"authentication": "SINGLE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "psirt@fortinet.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 4.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
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},
{
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"integrityImpact": "NONE",
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"confidentialityImpact": "HIGH"
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},
"affected": [
{
"source": "psirt@fortinet.com",
"affectedData": [
{
"vendor": "Fortinet",
"product": "Fortinet FortiSDNConnector",
"versions": [
{
"status": "affected",
"version": "FortiSDNConnector 1.1.7, 1.1.6, 1.1.5, 1.1.4, 1.1.3, 1.1.2, 1.1.1, 1.1.0, 1.0.0"
}
]
}
]
}
],
"published": "2021-10-06T10:15:07.977",
"references": [
{
"url": "https://fortiguard.com/advisory/FG-IR-20-183",
"tags": [
"Vendor Advisory"
],
"source": "psirt@fortinet.com"
},
{
"url": "https://fortiguard.com/advisory/FG-IR-20-183",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-522"
}
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}
],
"descriptions": [
{
"lang": "en",
"value": "A insufficiently protected credentials in Fortinet FortiSDNConnector version 1.1.7 and below allows attacker to disclose third-party devices credential information via configuration page lookup."
},
{
"lang": "es",
"value": "Una protección insuficiente de las credenciales en Fortinet FortiSDNConnector versión 1.1.7 y por debajo, permite a un atacante divulgar información de credenciales de dispositivos de terceros por medio de la búsqueda en la página de configuración"
}
],
"lastModified": "2026-06-17T03:58:28.313",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:fortinet:fortisdnconnector:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3AE6C99E-9DC8-411A-85A7-38FF390D0944",
"versionEndExcluding": "1.1.8"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "psirt@fortinet.com"
}