Medium
Security advisory
An issue was discovered in Symfony before 2.7.38, 2.8.31, 3.2.14, 3.3.13, 3.4-BETA5, and 4.0-BETA5. The current implementation of CSRF protection in Symfony (Version >=2) does not use different tokens for HTTP and HTTPS; therefore the token is subject to MITM attacks on HTTP and can then be used in an HTTPS context to do CSRF attacks.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-16653
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:41 UTC · Revision 1
Source evidence
An issue was discovered in Symfony before 2.7.38, 2.8.31, 3.2.14, 3.3.13, 3.4-BETA5, and 4.0-BETA5. The current implementation of CSRF protection in Symfony (Version >=2) does not use different tokens for HTTP and HTTPS; therefore the token is subject to MITM attacks on HTTP and can then be used in an HTTPS context to do CSRF attacks.
osv:CVE-2017-16653
Complete source record
{
"id": "651a513bf7a35f0d837f374a8707463e28dbd640d1015b62d9809c0c8947bfd1",
"url": "https://osv.dev/vulnerability/CVE-2017-16653",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-16653",
"summary": "An issue was discovered in Symfony before 2.7.38, 2.8.31, 3.2.14, 3.3.13, 3.4-BETA5, and 4.0-BETA5. The current implementation of CSRF protection in Symfony (Version >=2) does not use different tokens for HTTP and HTTPS; therefore the token is subject to MITM attacks on HTTP and can then be used in an HTTPS context to do CSRF attacks.",
"evidence": "osv:CVE-2017-16653",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2017-16653",
"aliases": [
"CVE-2017-16653",
"GHSA-92x6-h2gr-8gxq"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/symfony/security-http",
"type": "GIT",
"events": [
{
"introduced": "de2f3d51160791ef254010953dbde178fee9845f"
},
{
"last_affected": "e23595473a10892462e61443f07d19210ab505af"
},
{
"introduced": "a6209fac5e5984ba49d8b5a1af5e5c118a1c183e"
},
{
"last_affected": "4fe1764b69b5e7e0d74656b5214a9026313e23ab"
},
{
"introduced": "760872233cd3147870184697e3481ffa492ac2fb"
},
{
"last_affected": "a5c3f701b864a2bb1d6b71b859afd3efe3b9e43d"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.7.0"
},
{
"last_affected": "2.7.37"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*",
"range": [
{
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},
{
"last_affected": "3.2.13"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.3.0"
},
{
"last_affected": "3.3.12"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
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"v2.7.37",
"v2.7.36",
"v2.7.35",
"v2.7.34",
"v2.7.33",
"v3.2.12",
"v3.2.11",
"v3.2.10",
"v2.7.32",
"v2.7.31",
"v2.7.30",
"v3.2.9",
"v2.7.29",
"v2.7.28",
"v3.2.8",
"v2.7.27",
"v3.2.7",
"v2.7.26",
"v3.2.6",
"v3.2.5",
"v2.7.25",
"v3.2.4",
"v3.2.3",
"v3.2.2",
"v2.7.24",
"v2.7.23",
"v3.2.1",
"v3.2.0-RC2",
"v3.2.0",
"v2.7.22",
"v2.7.21",
"v2.7.20",
"v2.7.19",
"v2.7.18",
"v2.7.17",
"v2.7.16",
"v2.7.15",
"v2.7.14",
"v2.7.13",
"v2.7.12",
"v2.7.10",
"v2.7.9",
"v2.7.8",
"v2.7.7",
"v2.7.6",
"v2.7.5",
"v2.7.4",
"v2.7.3",
"v2.7.2",
"v2.7.1",
"v2.7.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-16653.json"
}
},
{
"ranges": [
{
"repo": "https://github.com/symfony/symfony",
"type": "GIT",
"events": [
{
"introduced": "9975b1eca3de4db792a2c3e4e16f676a4aadcd46"
},
{
"last_affected": "c166da413153ecbb4b83c0415f7df13c250c3342"
},
{
"introduced": "b96a144bc875684f3338f697687147a2696d73eb"
},
{
"last_affected": "e1aabd6f50fb4586b330f9ac54b4bcdf7352a0f8"
},
{
"introduced": "5a7e31c48e7cd4831efa409fffb661beb9995174"
},
{
"last_affected": "1452970fc29131776505f684bd81d7a33cbaada4"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.7.0"
},
{
"last_affected": "2.7.37"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.2.0"
},
{
"last_affected": "3.2.13"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.3.0"
},
{
"last_affected": "3.3.12"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v3.2.13",
"v3.3.12",
"v2.7.37",
"v3.3.11",
"v2.7.36",
"v3.3.10",
"v2.7.35",
"v3.3.9",
"v3.3.8",
"v3.3.7",
"v2.7.34",
"v2.7.33",
"v3.3.6",
"v3.3.5",
"v3.2.12",
"v2.7.32",
"v3.3.4",
"v3.2.11",
"v2.7.31",
"v3.3.3",
"v3.2.10",
"v2.7.30",
"v2.7.29",
"v3.3.2",
"v3.3.1",
"v3.3.0",
"v3.2.9",
"v2.7.28",
"v2.7.26",
"v3.2.8",
"v2.7.27",
"v3.2.7",
"v3.2.6",
"v3.2.5",
"v2.7.25",
"v3.2.4",
"v3.2.3",
"v2.7.24",
"v3.2.2",
"v2.7.23",
"v3.2.1",
"v2.7.22",
"v3.2.0",
"v2.7.21",
"v2.7.20",
"v2.7.19",
"v2.7.18",
"v2.7.17",
"v2.7.16",
"v2.7.15",
"v2.7.14",
"v2.7.13",
"v2.7.12",
"v2.7.11",
"v2.7.10",
"v2.7.9",
"v2.7.8",
"v2.7.7",
"v2.7.6",
"v2.7.5",
"v2.7.4",
"v2.7.3",
"v2.7.2",
"v2.7.1",
"v2.7.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-16653.json"
}
}
],
"modified": "2026-10-24T10:49:29.521811150Z",
"provider": "osv",
"references": [
"https://www.debian.org/security/2018/dsa-4262",
"https://github.com/symfony/symfony/pull/24992",
"https://symfony.com/blog/cve-2017-16653-csrf-protection-does-not-use-different-tokens-for-http-and-https"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*"
],
"vendor_product": "sensiolabs:symfony",
"extracted_events": [
{
"range": [
{
"introduced": "3.8.0"
},
{
"last_affected": "3.8.30"
},
{
"introduced": "3.8.0"
},
{
"last_affected": "3.8.30"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2017-16653",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 441727,
"published_at": "2018-08-06T21:29:00.283+00:00"
}