CVE-2019-25043

5.3 mediumEPSS 1.2%

Medium (5.3) in owasp modsecurity. EPSS 1.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
CWE: CWE-755
Published: 2021-05-06
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

owasp:modsecurity

References

https://github.com/SpiderLabs/ModSecurity/issues/2566
https://github.com/SpiderLabs/ModSecurity/issues/2566

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