{
"id": "GHSA-q39c-5vh5-vw2p",
"aliases": [
"CVE-2020-27178"
],
"details": "Apereo CAS 5.3.x before 5.3.16, 6.x before 6.1.7.2, 6.2.x before 6.2.4, and 6.3.x before 6.3.0-RC4 mishandles secret keys with Google Authenticator for multifactor authentication.",
"summary": "Improper Authentication in Apereo CAS",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "5.3.0"
},
{
"fixed": "5.3.16"
}
]
}
],
"package": {
"name": "org.apereo.cas:cas-server-webapp",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.0.0"
},
{
"fixed": "6.1.7.2"
}
]
}
],
"package": {
"name": "org.apereo.cas:cas-server-webapp",
"ecosystem": "Maven"
},
"database_specific": {
"last_known_affected_version_range": "<= 6.1.7.1"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.2.0"
},
{
"fixed": "6.2.4"
}
]
}
],
"package": {
"name": "org.apereo.cas:cas-server-webapp",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "5.3.0"
},
{
"fixed": "5.3.16"
}
]
}
],
"package": {
"name": "org.apereo.cas:cas-server-support-otp-mfa-core",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.0.0"
},
{
"fixed": "6.1.7.2"
}
]
}
],
"package": {
"name": "org.apereo.cas:cas-server-support-otp-mfa-core",
"ecosystem": "Maven"
},
"database_specific": {
"last_known_affected_version_range": "<= 6.1.7.1"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.2.0"
},
{
"fixed": "6.2.4"
}
]
}
],
"package": {
"name": "org.apereo.cas:cas-server-support-otp-mfa-core",
"ecosystem": "Maven"
}
}
],
"modified": "2021-07-26T18:43:04Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
}
],
"published": "2021-08-02T16:47:10Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-27178",
"type": "ADVISORY"
},
{
"url": "https://apereo.github.io/2020/10/14/gauthvuln",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-287"
],
"severity": "HIGH",
"github_reviewed": true,
"nvd_published_at": "2020-10-16T16:15:00Z",
"github_reviewed_at": "2021-07-26T18:43:04Z"
}
}