2023-04-24 12:24:31 +02:00
{
"id" : "CVE-2020-26163" ,
"sourceIdentifier" : "cve@mitre.org" ,
"published" : "2020-09-30T18:15:27.477" ,
2024-11-23 13:10:58 +00:00
"lastModified" : "2024-11-21T05:19:24.900" ,
"vulnStatus" : "Modified" ,
2024-12-08 03:06:42 +00:00
"cveTags" : [ ] ,
2023-04-24 12:24:31 +02:00
"descriptions" : [
{
"lang" : "en" ,
"value" : "BigBlueButton Greenlight before 2.5.6 allows HTTP header (Host and Origin) attacks, which can result in Account Takeover if a victim follows a spoofed password-reset link."
} ,
{
"lang" : "es" ,
"value" : "BigBlueButton Greenlight versiones anteriores a 2.5.6, permite ataques de encabezado HTTP (Host y Origen), lo que puede resultar en una Toma de Control de la Cuenta si una v\u00edctima sigue un enlace de restablecimiento de contrase\u00f1a falsificado"
}
] ,
"metrics" : {
"cvssMetricV31" : [
{
"source" : "nvd@nist.gov" ,
"type" : "Primary" ,
"cvssData" : {
"version" : "3.1" ,
"vectorString" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H" ,
2024-11-23 13:10:58 +00:00
"baseScore" : 8.8 ,
"baseSeverity" : "HIGH" ,
2023-04-24 12:24:31 +02:00
"attackVector" : "NETWORK" ,
"attackComplexity" : "LOW" ,
"privilegesRequired" : "NONE" ,
"userInteraction" : "REQUIRED" ,
"scope" : "UNCHANGED" ,
"confidentialityImpact" : "HIGH" ,
"integrityImpact" : "HIGH" ,
2024-11-23 13:10:58 +00:00
"availabilityImpact" : "HIGH"
2023-04-24 12:24:31 +02:00
} ,
"exploitabilityScore" : 2.8 ,
"impactScore" : 5.9
}
] ,
"cvssMetricV2" : [
{
"source" : "nvd@nist.gov" ,
"type" : "Primary" ,
"cvssData" : {
"version" : "2.0" ,
"vectorString" : "AV:N/AC:M/Au:N/C:P/I:P/A:P" ,
2024-11-23 13:10:58 +00:00
"baseScore" : 6.8 ,
2023-04-24 12:24:31 +02:00
"accessVector" : "NETWORK" ,
"accessComplexity" : "MEDIUM" ,
"authentication" : "NONE" ,
"confidentialityImpact" : "PARTIAL" ,
"integrityImpact" : "PARTIAL" ,
2024-11-23 13:10:58 +00:00
"availabilityImpact" : "PARTIAL"
2023-04-24 12:24:31 +02:00
} ,
"baseSeverity" : "MEDIUM" ,
"exploitabilityScore" : 8.6 ,
"impactScore" : 6.4 ,
"acInsufInfo" : false ,
"obtainAllPrivilege" : false ,
"obtainUserPrivilege" : false ,
"obtainOtherPrivilege" : false ,
"userInteractionRequired" : true
}
]
} ,
"weaknesses" : [
{
"source" : "nvd@nist.gov" ,
"type" : "Primary" ,
"description" : [
{
"lang" : "en" ,
"value" : "NVD-CWE-Other"
}
]
}
] ,
"configurations" : [
{
"nodes" : [
{
"operator" : "OR" ,
"negate" : false ,
"cpeMatch" : [
{
"vulnerable" : true ,
"criteria" : "cpe:2.3:a:bigbluebutton:greenlight:*:*:*:*:*:*:*:*" ,
"versionEndExcluding" : "2.5.6" ,
"matchCriteriaId" : "B94626D5-36E8-449C-A510-1DD76716143B"
}
]
}
]
}
] ,
"references" : [
{
"url" : "https://github.com/bigbluebutton/greenlight/pull/1543" ,
"source" : "cve@mitre.org" ,
"tags" : [
"Patch" ,
"Third Party Advisory"
]
} ,
{
"url" : "https://github.com/bigbluebutton/greenlight/releases/tag/release-2.5.6" ,
"source" : "cve@mitre.org" ,
"tags" : [
"Third Party Advisory"
]
} ,
{
"url" : "https://www.sakshamanand.com/host-header-injection-bigbluebutton/" ,
"source" : "cve@mitre.org" ,
"tags" : [
"Exploit" ,
"Third Party Advisory"
]
2024-11-23 13:10:58 +00:00
} ,
{
"url" : "https://github.com/bigbluebutton/greenlight/pull/1543" ,
"source" : "af854a3a-2127-422b-91ae-364da2661108" ,
"tags" : [
"Patch" ,
"Third Party Advisory"
]
} ,
{
"url" : "https://github.com/bigbluebutton/greenlight/releases/tag/release-2.5.6" ,
"source" : "af854a3a-2127-422b-91ae-364da2661108" ,
"tags" : [
"Third Party Advisory"
]
} ,
{
"url" : "https://www.sakshamanand.com/host-header-injection-bigbluebutton/" ,
"source" : "af854a3a-2127-422b-91ae-364da2661108" ,
"tags" : [
"Exploit" ,
"Third Party Advisory"
]
2023-04-24 12:24:31 +02:00
}
]
}