High
Security advisory
An issue was discovered in OWASP ModSecurity Core Rule Set (CRS) 3.0.2. Use of X.Filename instead of X_Filename can bypass some PHP Script Uploads rules, because PHP automatically transforms dots into underscores in certain contexts where dots are invalid.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-13464
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 10:34 UTC · Revision 1
Source evidence
An issue was discovered in OWASP ModSecurity Core Rule Set (CRS) 3.0.2. Use of X.Filename instead of X_Filename can bypass some PHP Script Uploads rules, because PHP automatically transforms dots into underscores in certain contexts where dots are invalid.
osv:CVE-2019-13464
Complete source record
{
"id": "b392fc970ae91c9d108844a4086b7b0937c6e5f9c059c928463dfbe17d33a107",
"url": "https://osv.dev/vulnerability/CVE-2019-13464",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-13464",
"summary": "An issue was discovered in OWASP ModSecurity Core Rule Set (CRS) 3.0.2. Use of X.Filename instead of X_Filename can bypass some PHP Script Uploads rules, because PHP automatically transforms dots into underscores in certain contexts where dots are invalid.",
"evidence": "osv:CVE-2019-13464",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2019-13464",
"aliases": [
"CVE-2019-13464"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/spiderlabs/owasp-modsecurity-crs",
"type": "GIT",
"events": [
{
"introduced": "e4e0497be4d598cce0e0a8fef20d1f1e5578c8d0"
},
{
"last_affected": "e4e0497be4d598cce0e0a8fef20d1f1e5578c8d0"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:modsecurity:owasp_modsecurity_core_rule_set:3.0.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.0.2"
},
{
"last_affected": "3.0.2"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"3.0.2",
"v3.0.2"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-13464.json"
}
}
],
"modified": "2026-10-20T10:50:42.583112513Z",
"provider": "osv",
"references": [
"https://github.com/SpiderLabs/owasp-modsecurity-crs/pull/1391",
"https://github.com/SpiderLabs/owasp-modsecurity-crs/issues/1386"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2019-13464",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 382044,
"published_at": "2019-07-09T19:15:12.56+00:00"
}