CVE-2021-37592

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CVSS 3.1

9.8 critical

EPSS

2%p74

Published

Nov 19, 2021 (Nov 19, 2021)

Modified

Jun 17, 2026

Description

Suricata before 5.0.8 and 6.x before 6.0.4 allows TCP evasion via a client with a crafted TCP/IP stack that can send a certain sequence of segments.

Vendors: oisf
Products: suricata
Weakness: CWE-787
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.6%)

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