CVE-2025-65502
Full vulnerability record from the local CVENow database.
Description
Null pointer dereference in add_ca_certs() in Cesanta Mongoose before 7.2 allows remote attackers to cause a denial of service via TLS initialization where SSL_CTX_get_cert_store() returns NULL.
Severity
MEDIUM
CVSS score
4.3
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2025-11-24 14:15:48.100000
Last modified
2026-11-05 13:10:00.180000
View original CVE JSON
{
"id": "CVE-2025-65502",
"sourceIdentifier": "[email protected]",
"published": "2025-11-24T14:15:48.100",
"lastModified": "2026-11-05T13:10:00.180",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Null pointer dereference in add_ca_certs() in Cesanta Mongoose before 7.2 allows remote attackers to cause a denial of service via TLS initialization where SSL_CTX_get_cert_store() returns NULL."
},
{
"lang": "es",
"value": "Desreferencia de puntero nulo en add_ca_certs() en Cesanta Mongoose anterior a 7.2 permite a atacantes remotos causar una denegación de servicio mediante la inicialización de TLS donde SSL_CTX_get_cert_store() devuelve NULL."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"version": "n/a",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "LOW"
},
"exploitabilityScore": 2.8,
"impactScore": 1.4
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2025-11-24T18:28:47.531864Z",
"id": "CVE-2025-65502",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-476"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:cesanta:mongoose:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.2",
"matchCriteriaId": "4B1A701D-3552-461A-8BFC-D0CF63242D2A"
}
]
}
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}
],
"references": [
{
"url": "https://github.com/cesanta/mongoose/issues/3306",
"source": "[email protected]",
"tags": [
"Exploit",
"Issue Tracking"
]
},
{
"url": "https://github.com/cesanta/mongoose/pull/3307",
"source": "[email protected]",
"tags": [
"Issue Tracking",
"Patch"
]
}
]
}