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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.015 (72.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Modsecurity Owasp Core Rule Set — versions 3.0.2
Weakness classification (CWE)
References
- github.com/SpiderLabs/owasp-modsecurity-crs/issues/1386 (Exploit, Third Party Advisory)
- github.com/SpiderLabs/owasp-modsecurity-crs/pull/1391 (Third Party Advisory)
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.