CVE-2020-10687
Estado: ModificadaMedia (4.8)—
A flaw was discovered in all versions of Undertow before Undertow 2.2.0.Final, where HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
- Puntuación base: 4.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.23%
- Percentil entre todas las CVEs puntuadas: 68
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (3)
CWE
- CWE-444
- CWE-444
Referencias
- https://bugzilla.redhat.com/show_bug.cgi?id=1785049
- https://lists.apache.org/thread.html/r6603513ea8afbf6857fd77ca5888ec8385d0af493baa4250e28c351c%40%3Cdev.cxf.apache.org%3E
- https://security.netapp.com/advisory/ntap-20220210-0015/
- https://bugzilla.redhat.com/show_bug.cgi?id=1785049
- https://lists.apache.org/thread.html/r6603513ea8afbf6857fd77ca5888ec8385d0af493baa4250e28c351c%40%3Cdev.cxf.apache.org%3E
- https://security.netapp.com/advisory/ntap-20220210-0015/
JSON original (NVD)
Mostrar
{
"id": "CVE-2020-10687",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 5.8,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 4.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 4.8,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 2.5,
"exploitabilityScore": 2.2
}
]
},
"affected": [
{
"source": "secalert@redhat.com",
"affectedData": [
{
"vendor": "n/a",
"product": "Undertow",
"versions": [
{
"status": "affected",
"version": "Undertow 2.2.0.Final"
}
]
}
]
}
],
"published": "2020-09-23T13:15:15.157",
"references": [
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1785049",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"source": "secalert@redhat.com"
},
{
"url": "https://lists.apache.org/thread.html/r6603513ea8afbf6857fd77ca5888ec8385d0af493baa4250e28c351c%40%3Cdev.cxf.apache.org%3E",
"source": "secalert@redhat.com"
},
{
"url": "https://security.netapp.com/advisory/ntap-20220210-0015/",
"tags": [
"Third Party Advisory"
],
"source": "secalert@redhat.com"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1785049",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.apache.org/thread.html/r6603513ea8afbf6857fd77ca5888ec8385d0af493baa4250e28c351c%40%3Cdev.cxf.apache.org%3E",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://security.netapp.com/advisory/ntap-20220210-0015/",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "secalert@redhat.com",
"description": [
{
"lang": "en",
"value": "CWE-444"
}
]
},
{
"type": "Secondary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-444"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A flaw was discovered in all versions of Undertow before Undertow 2.2.0.Final, where HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own."
},
{
"lang": "es",
"value": "Se detectó un fallo en todas las versiones de Undertow versiones anteriores a Undertow 2.2.0.Final, donde el tráfico malicioso de peticiones HTTP relacionado a CVE-2017-2666, es posible contra HTTP/1.x y HTTP/2 debido a que permite caracteres no válidos en una petición HTTP. Este fallo permite a un atacante envenenar una caché web, llevar a cabo un ataque de tipo XSS y obtener información confidencial de una petición distinta a la suya"
}
],
"lastModified": "2026-06-17T02:48:15.467",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4368010B-9B8A-4327-9B6B-DBEA6465D793",
"versionEndExcluding": "2.2.0"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:jboss_enterprise_application_platform:-:*:*:*:text-only:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B8423D7F-3A8F-4AD8-BF51-245C9D8DD816"
},
{
"criteria": "cpe:2.3:a:redhat:single_sign-on:-:*:*:*:text-only:*:*:*",
"vulnerable": true,
"matchCriteriaId": "341E6313-20D5-44CB-9719-B20585DC5AD6"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0C3AA5CE-9ACB-4E96-A4C1-50A662D641FB"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "2F6AB192-9D7D-4A9A-8995-E53A9DE9EAFC"
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A"
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.3:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B4911A72-5FAE-47C5-A141-2E3CA8E1CCAB"
},
{
"criteria": "cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.4:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "645A908C-18C2-4AB1-ACE7-3969E3A552A5"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A"
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.3:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B4911A72-5FAE-47C5-A141-2E3CA8E1CCAB"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "2F6AB192-9D7D-4A9A-8995-E53A9DE9EAFC"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "secalert@redhat.com"
}