Vulnerability DatabaseCVE-2021-37592
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CVE-2021-37592
Published:November 19, 2021
Updated:May 17, 2026
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.
Related Resources (6)
https://security.alpinelinux.org/vuln/CVE-2021-37592
https://security-tracker.debian.org/tracker/CVE-2021-37592
https://redmine.openinfosecfoundation.org/issues/4569
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-37592
https://github.com/OISF/suricata/releases
https://forum.suricata.io/t/suricata-6-0-4-and-5-0-8-released/1942
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CVSS v4
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Out-of-bounds Write
CWE-787
EPSS
Base Score:
0.16