FKIE_CVE-2025-46784
Vulnerability from fkie_nvd - Published: 2025-11-05 15:15 - Updated: 2026-10-18 21:10
Severity
Summary
A denial of service vulnerability exists in the lasso_node_init_from_message_with_format functionality of Entr'ouvert Lasso 2.5.1. A specially crafted SAML response can lead to a memory depletion, resulting in denial of service. An attacker can send a malformed SAML response to trigger this vulnerability.
References
| URL | Tags | ||
|---|---|---|---|
| talos-cna@cisco.com | https://talosintelligence.com/vulnerability_reports/TALOS-2025-2195 | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2195 | Exploit, Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| entrouvert | lasso | 2.5.1 |
{
"affected": [
{
"affectedData": [
{
"product": "Lasso",
"vendor": "Entr\u0027ouvert",
"versions": [
{
"status": "affected",
"version": "2.5.1"
}
]
}
],
"source": "talos-cna@cisco.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:entrouvert:lasso:2.5.1:*:*:*:*:*:*:*",
"matchCriteriaId": "7177DC8A-9874-45BA-BC80-17604D8A0875",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A denial of service vulnerability exists in the lasso_node_init_from_message_with_format functionality of Entr\u0026#39;ouvert Lasso 2.5.1. A specially crafted SAML response can lead to a memory depletion, resulting in denial of service. An attacker can send a malformed SAML response to trigger this vulnerability."
},
{
"lang": "es",
"value": "Una vulnerabilidad de denegaci\u00f3n de servicio existe en la funcionalidad lasso_node_init_from_message_with_format de Entr\u0027ouvert Lasso 2.5.1. Una respuesta SAML especialmente dise\u00f1ada puede provocar un agotamiento de memoria, lo que resulta en una denegaci\u00f3n de servicio. Un atacante puede enviar una respuesta SAML malformada para activar esta vulnerabilidad."
}
],
"id": "CVE-2025-46784",
"lastModified": "2026-10-18T21:10:00.120",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "talos-cna@cisco.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-46784",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-11-05T19:01:04.745056Z",
"version": "2.0.3"
}
}
]
},
"published": "2025-11-05T15:15:39.030",
"references": [
{
"source": "talos-cna@cisco.com",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2025-2195"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2195"
}
],
"sourceIdentifier": "talos-cna@cisco.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-401"
}
],
"source": "talos-cna@cisco.com",
"type": "Secondary"
}
]
}
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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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