What’s Vulnerable › Vulnerabilities

CVE-2019-11387

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-04-21 · updated 2026-06-17
• Weakness: CWE-400

Description

An issue was discovered in OWASP ModSecurity Core Rule Set (CRS) through 3.1.0. /rules/REQUEST-942-APPLICATION-ATTACK-SQLI.conf allows remote attackers to cause a denial of service (ReDOS) by entering a specially crafted string with nested repetition operators.

Affected products

• Modsecurity Owasp Modsecurity Core Rule Set: from 3.0.0 through 3.1.0

References

• https://coreruleset.org/20190627/announcement-owasp-modsecurity-core-rule-set-version-3-1-1/
• https://github.com/SpiderLabs/owasp-modsecurity-crs/blob/v3.1/dev/CHANGES
• https://github.com/SpiderLabs/owasp-modsecurity-crs/issues/1359
• https://coreruleset.org/20190627/announcement-owasp-modsecurity-core-rule-set-version-3-1-1/
• https://github.com/SpiderLabs/owasp-modsecurity-crs/blob/v3.1/dev/CHANGES
• https://github.com/SpiderLabs/owasp-modsecurity-crs/issues/1359

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