Arbitrary file upload in Modsecurity Owasp Core Rule Set
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.
Vulnerability class: Unrestricted File Upload
EPSS: 0.015 (71.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Modsecurity Owasp_modsecurity_core_rule_set — versions 3.0.2
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-13464?
- CVE-2019-13464 is a high-severity vulnerability in Modsecurity Owasp Core Rule Set, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.5/10. Published 2019-07-09.
- How severe is CVE-2019-13464?
- High severity. CVSS v3 base score is 7.5 out of 10.