CVE-2021-37592

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.18%
Vendor Advisory suricata.io
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/OISF/suricata/releases third party advisory release notes
https://forum.suricata.io/t/suricata-6-0-4-and-5-0-8-released/1942 release notes vendor advisory
https://redmine.openinfosecfoundation.org/issues/4569 third party advisory permissions required

Frequently Asked Questions

What is the severity of CVE-2021-37592?
CVE-2021-37592 has been scored as a critical severity vulnerability.
How to fix CVE-2021-37592?
To fix CVE-2021-37592, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-37592 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-37592 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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