7.5

CVE-2019-13464: modsecurity owasp_modsecurity_core_rule_set

CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2019-13464DEBIAN-CVE-2019-13464
Published 09-07-2019Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2019-13464 is a high (CVSS 7.5) vulnerability in modsecurity owasp_modsecurity_core_rule_set. EPSS estimates a 1.47% chance of exploitation in the next 30 days, higher than 73.2% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
1.47%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 1
DLA-3293-1

Timeline

  1. 09-07-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.47%

Chance of exploitation in the next 30 days

Percentile

73%

Versus all other CVEs

30-day change

0.00 pp

From 1.47% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.47%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Owasp Modsecurity Crs

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Ubuntu2 products
  • modsecurityAll versions (No fix recorded)
  • modsecurity-crsAll versions (No fix recorded)
Debian1 product
  • modsecurity-crs< 3.2.0-1
Modsecurity1 product

3 vendors · 4 products

References

5 links