CVE-2021-37592

Publication date 19 November 2021

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

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.

Status

Package Ubuntu Release Status
suricata 24.10 oracular
Fixed 1:6.0.4-1
24.04 LTS noble
Fixed 1:6.0.4-1
23.10 mantic
Fixed 1:6.0.4-1
23.04 lunar
Fixed 1:6.0.4-1
22.10 kinetic
Fixed 1:6.0.4-1
22.04 LTS jammy
Fixed 1:6.0.4-1
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Ignored end of standard support

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H