CVE-2019-11387: modsecurity owasp_modsecurity_core_rule_set Uncontrolled Resource Consumption
CVSS: 5.3v3.1MediumModified
AliasesUBUNTU-CVE-2019-11387DEBIAN-CVE-2019-11387
Published 21-04-2019Last modified 04-08-2024
Vulnerability summary
CVE-2019-11387 is a medium (CVSS 5.3) Uncontrolled Resource Consumption vulnerability in modsecurity owasp_modsecurity_core_rule_set. EPSS estimates a 2.38% chance of exploitation in the next 30 days, higher than 83.6% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.1 (NVD)EPSS score
2.38%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 21-04-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 5.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.38%
Chance of exploitation in the next 30 days
Percentile
84%
Versus all other CVEs
30-day change
0.00 pp
From 2.38% on 19-09-2026
19-09-202619-10-2026
EPSS score2.38%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- modsecurity-crs< 3.1.1-1
Modsecurity1 product
- owasp_modsecurity_core_rule_set≥ 3.0.0, ≤ 3.1.0
Ubuntu1 product
- modsecurity-crsAll versions (No fix recorded)
3 vendors · 3 products
References
6 links- github.com/SpiderLabs/owasp-modsecurity-crs/issues/1359X Refsource CONFIRMIssue TrackingThird Party AdvisoryREPORT
- coreruleset.org/20190627/announcement-owasp-modsecurity-core-rule-set-version-3-1-1/X Refsource CONFIRMRelease NotesVendor Advisory
- github.com/SpiderLabs/owasp-modsecurity-crs/blob/v3.1/dev/CHANGESX Refsource CONFIRMRelease NotesThird Party Advisory