VULNERABILITY INTELLIGENCE
CVE-2021-37592
CVSS score9.8 CRITICAL
EPSS probability1.60%
CISA KEVNot currently listed
Published2021-11-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- nvd@nist.gov: CWE-787
Primary references
- cve@mitre.org — Release Notes, Vendor Advisory
- cve@mitre.org — Release Notes, Third Party Advisory
- cve@mitre.org — Permissions Required, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Permissions Required, Third Party Advisory