5.3

CVE-2019-25043: owasp modsecurity

CVSS: 5.3v3.1MediumModified
AliasesUBUNTU-CVE-2019-25043DEBIAN-CVE-2019-25043
Published 06-05-2021Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2019-25043 is a medium (CVSS 5.3) vulnerability in owasp modsecurity. EPSS estimates a 1.22% chance of exploitation in the next 30 days, higher than 68.1% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
1.22%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 06-05-2021
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

ModSecurity 3.x before 3.0.4 mishandles key-value pair parsing, as demonstrated by a "string index out of range" error and worker-process crash for a "Cookie: =abc" header.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.22%

Chance of exploitation in the next 30 days

Percentile

68%

Versus all other CVEs

30-day change

0.00 pp

From 1.22% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.22%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Modsecurity

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • modsecurity< 3.0.4-1
Owasp1 product
Ubuntu1 product
  • modsecurityAll versions (No fix recorded)

3 vendors · 3 products

References

4 links