title: Suricata http2: header handling evasion
description: Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine.  Prior to 7.0.3, the rules inspecting HTTP2 headers can get bypassed by crafted traffic. The vulnerability has been patched in 7.0.3.
problem types: CWE-284: Improper Access Control
affected:
{
vendor: OISF
product: suricata
versions:
version: >= 7.0.0, < 7.0.3, status: affected
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 5.3
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: LOW
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
version: 3.1
]