CVE-2019-25043

PoC —

CVSS 3.1

5.3 medium

EPSS

1%p67

Published

May 6, 2021 (May 6, 2021)

Modified

Jun 17, 2026

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.

Vendors: owasp
Products: modsecurity
Weakness: CWE-755
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

NVD CVE.org GitHub PoCs EPSS (1.2%)

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