High
Security advisory
In Yii Framework 2.x before 2.0.14, the switchIdentity function in web/User.php did not regenerate the CSRF token upon a change of identity.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-6009
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:27 UTC · Revision 1
Source evidence
In Yii Framework 2.x before 2.0.14, the switchIdentity function in web/User.php did not regenerate the CSRF token upon a change of identity.
osv:CVE-2018-6009
Complete source record
{
"id": "041b5d308dc58a7d2dcdc851d897d5b7c1b5b8bd9b036921436cbb2e75966914",
"url": "https://osv.dev/vulnerability/CVE-2018-6009",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-6009",
"summary": "In Yii Framework 2.x before 2.0.14, the switchIdentity function in web/User.php did not regenerate the CSRF token upon a change of identity.",
"evidence": "osv:CVE-2018-6009",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2018-6009",
"aliases": [
"CVE-2018-6009",
"GHSA-cwhm-272p-3wj9"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/yiisoft/yii2",
"type": "GIT",
"events": [
{
"introduced": "ae8d9782707b89315194ec70a139fece122b8977"
},
{
"last_affected": "1d7f6cd20e24dfa486e72cc9fc87cfbe7008e084"
},
{
"fixed": "6c0540aa2d6e0fe0fa89e4fd35bba4be5d6cece7"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:yiiframework:yiiframework:2.0.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.0"
},
{
"last_affected": "2.0.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:yiiframework:yiiframework:2.0.0:alpha:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.0-alpha"
},
{
"last_affected": "2.0.0-alpha"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:yiiframework:yiiframework:2.0.0:beta:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.0-beta"
},
{
"last_affected": "2.0.0-beta"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:yiiframework:yiiframework:2.0.0:rc:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.0-rc"
},
{
"last_affected": "2.0.0-rc"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:yiiframework:yiiframework:2.0.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.1"
},
{
"last_affected": "2.0.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:yiiframework:yiiframework:2.0.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.2"
},
{
"last_affected": "2.0.2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:yiiframework:yiiframework:2.0.3:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.3"
},
{
"last_affected": "2.0.3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:yiiframework:yiiframework:2.0.4:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.4"
},
{
"last_affected": "2.0.4"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:yiiframework:yiiframework:2.0.5:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.5"
},
{
"last_affected": "2.0.5"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:yiiframework:yiiframework:2.0.6:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.6"
},
{
"last_affected": "2.0.6"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:yiiframework:yiiframework:2.0.7:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.7"
},
{
"last_affected": "2.0.7"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:yiiframework:yiiframework:2.0.8:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.8"
},
{
"last_affected": "2.0.8"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:yiiframework:yiiframework:2.0.9:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.9"
},
{
"last_affected": "2.0.9"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:yiiframework:yiiframework:2.0.10:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.10"
},
{
"last_affected": "2.0.10"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:yiiframework:yiiframework:2.0.11:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.11"
},
{
"last_affected": "2.0.11"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:yiiframework:yiiframework:2.0.11.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.11.1"
},
{
"last_affected": "2.0.11.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:yiiframework:yiiframework:2.0.11.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.11.2"
},
{
"last_affected": "2.0.11.2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:yiiframework:yiiframework:2.0.12:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.12"
},
{
"last_affected": "2.0.12"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:yiiframework:yiiframework:2.0.13:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.13"
},
{
"last_affected": "2.0.13"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:yiiframework:yiiframework:2.0.13.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.13.1"
},
{
"last_affected": "2.0.13.1"
}
],
"source": "CPE_STRING"
},
{
"range": [
{
"fixed": "6c0540aa2d6e0fe0fa89e4fd35bba4be5d6cece7"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"2.0.0",
"2.0.0-alpha",
"2.0.0-beta",
"2.0.0-rc",
"2.0.1",
"2.0.10",
"2.0.11",
"2.0.11.1",
"2.0.11.2",
"2.0.12",
"2.0.13",
"2.0.13.1",
"2.0.2",
"2.0.3",
"2.0.4",
"2.0.5",
"2.0.6",
"2.0.7",
"2.0.8",
"2.0.9"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-6009.json"
}
}
],
"modified": "2026-10-24T10:47:33.223194727Z",
"provider": "osv",
"references": [
"https://github.com/yiisoft/yii2/commit/6c0540aa2d6e0fe0fa89e4fd35bba4be5d6cece7"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:yiiframework:yiiframework:2.0.0:*:*:*:*:*:*:*",
"cpe:2.3:a:yiiframework:yiiframework:2.0.0:alpha:*:*:*:*:*:*",
"cpe:2.3:a:yiiframework:yiiframework:2.0.0:beta:*:*:*:*:*:*",
"cpe:2.3:a:yiiframework:yiiframework:2.0.0:rc:*:*:*:*:*:*",
"cpe:2.3:a:yiiframework:yiiframework:2.0.10:*:*:*:*:*:*:*",
"cpe:2.3:a:yiiframework:yiiframework:2.0.11.1:*:*:*:*:*:*:*",
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"cpe:2.3:a:yiiframework:yiiframework:2.0.1:*:*:*:*:*:*:*",
"cpe:2.3:a:yiiframework:yiiframework:2.0.2:*:*:*:*:*:*:*",
"cpe:2.3:a:yiiframework:yiiframework:2.0.3:*:*:*:*:*:*:*",
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"cpe:2.3:a:yiiframework:yiiframework:2.0.7:*:*:*:*:*:*:*",
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],
"vendor_product": "yiiframework:yiiframework",
"extracted_events": [
{
"range": [
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"introduced": "2.0.0"
},
{
"last_affected": "2.0.0"
},
{
"introduced": "2.0.0-alpha"
},
{
"last_affected": "2.0.0-alpha"
},
{
"introduced": "2.0.0-beta"
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{
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{
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{
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},
{
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"introduced": "2.0.2"
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{
"last_affected": "2.0.2"
},
{
"introduced": "2.0.3"
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{
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{
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{
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{
"introduced": "2.0.5"
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{
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{
"introduced": "2.0.6"
},
{
"last_affected": "2.0.6"
},
{
"introduced": "2.0.7"
},
{
"last_affected": "2.0.7"
},
{
"introduced": "2.0.8"
},
{
"last_affected": "2.0.8"
},
{
"introduced": "2.0.9"
},
{
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},
{
"introduced": "2.0.10"
},
{
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},
{
"introduced": "2.0.11"
},
{
"last_affected": "2.0.11"
},
{
"introduced": "2.0.11.1"
},
{
"last_affected": "2.0.11.1"
},
{
"introduced": "2.0.11.2"
},
{
"last_affected": "2.0.11.2"
},
{
"introduced": "2.0.12"
},
{
"last_affected": "2.0.12"
},
{
"introduced": "2.0.13"
},
{
"last_affected": "2.0.13"
},
{
"introduced": "2.0.13.1"
},
{
"last_affected": "2.0.13.1"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2018-6009",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 441320,
"published_at": "2018-01-22T22:29:00.207+00:00"
}