CVE-2019-13464
An issue was discovered in OWASP ModSecurity Core Rule Set (CRS) 3.0.2. Use of X.Filename instead...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2019-13464- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-434
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2019-13464- Updated
- 2026-11-02
EUVDEUVD-2019-4935 No score
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.
- Record
EUVD-2019-4935- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9qm4-xr26-w9h5
An issue was discovered in OWASP ModSecurity Core Rule Set (CRS) 3.0.2. Use of X.Filename instead...
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.
- Record
GHSA-9qm4-xr26-w9h5- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-434
- Updated
- 2026-11-02
OSVAZL-44598
CVE-2019-13464 affecting package mod_security_crs 3.0.0-11
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.
- Record
AZL-44598- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-05
OSV
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.
- Record
CVE-2019-13464- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2019-13464
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.
- Record
DEBIAN-CVE-2019-13464- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2019-13464
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.
- Record
UBUNTU-CVE-2019-13464- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mod_security_crsAzure Linux:3 |
through 3.0.0-11 | None known |
modsecurity-crsDebian:12 |
before 3.2.0-1 | 3.2.0-1 |
modsecurity-crsDebian:13 |
before 3.2.0-1 | 3.2.0-1 |
modsecurity-crsDebian:14 |
before 3.2.0-1 | 3.2.0-1 |
modsecurity-crsDebian:10 From an advisory covering 7 CVEs |
before 3.2.3-0+deb10u3, plus listed versions 3.1.0-13.1.0-1+deb10u13.1.0-1+deb10u23.1.1-13.2.0-1 |
3.2.3-0+deb10u3 |
modsecurity-crsUbuntu:18.04:LTS |
All versions, plus listed versions 3.0.0-33.0.2-1 |
None known |
modsecurityUbuntu:20.04:LTS |
All versions, plus listed versions 3.0.3-13.0.4-13.0.4-1build1 |
None known |
modsecurityUbuntu:22.04:LTS |
All versions, plus listed versions 3.0.4-23.0.6-1 |
None known |
modsecurityUbuntu:24.04:LTS |
All versions, plus listed versions 3.0.10-13.0.11-13.0.12-13.0.12-1.1build13.0.12-1.1build2 |
None known |
modsecurityUbuntu:25.10 |
All versions, plus listed versions 3.0.13-13.0.14-13.0.14-1build1 |
None known |
modsecurityUbuntu:26.10 |
All versions, plus listed versions 3.0.14-1build23.0.15-13.0.16-1 |
None known |
modsecurityUbuntu:26.04:LTS |
All versions, plus listed versions 3.0.14-1build13.0.14-1build2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-13464 is a high vulnerability (CVSS 7.5) in Modsecurity Owasp Modsecurity Core Rule Set, published July 9, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.47%, the 73rd percentile. Fixed in modsecurity-crs 3.2.0-1.
References
github.com/SpiderLabs/owasp-modsecurity-crs/issues/1386
nvd.nist.gov/vuln/detail/CVE-2019-13464
security-tracker.debian.org/tracker/CVE-2019-13464
ubuntu.com/security/CVE-2019-13464
cve.org/CVERecord?id=CVE-2019-13464