5.3

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.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
2.38%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 21-04-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last 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 versions

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 score
2.38%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • modsecurity-crs< 3.1.1-1
Modsecurity1 product
Ubuntu1 product
  • modsecurity-crsAll versions (No fix recorded)

3 vendors · 3 products

References

6 links