CVE-2019-11390
5.3 · MEDIUMOverview
CVE-2019-11390 is a medium-severity vulnerability affecting modsecurity owasp_modsecurity_core_rule_set. It was published on April 21, 2019 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
An issue was discovered in OWASP ModSecurity Core Rule Set (CRS) through 3.1.0. /rules/REQUEST-933-APPLICATION-ATTACK-PHP.conf allows remote attackers to cause a denial of service (ReDOS) by entering a specially crafted string with set_error_handler# at the beginning and nested repetition operators. NOTE: the software maintainer disputes that this is a vulnerability because the issue cannot be exploited via ModSecurity
Remediation
Check the references section for vendor advisories and patches from modsecurity. Update owasp_modsecurity_core_rule_set to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| modsecurity | owasp_modsecurity_core_rule_set | 0 | Affected |
Frequently Asked Questions
What is CVE-2019-11390?
CVE-2019-11390 is a medium-severity vulnerability affecting modsecurity owasp_modsecurity_core_rule_set. It was published on April 21, 2019 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
How severe is CVE-2019-11390?
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2019-11390?
Check the references section for vendor advisories and patches from modsecurity. Update owasp_modsecurity_core_rule_set to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2019-11390?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-11390 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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