CVE-2021-45488

Description

In NetBSD through 9.2, there is an information leak in the TCP ISN (ISS) generation algorithm.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.32%
Vendor Advisory netbsd.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://arxiv.org/pdf/2112.09604.pdf third party advisory technical description
http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2021-001.txt.asc patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-45488?
CVE-2021-45488 has been scored as a high severity vulnerability.
How to fix CVE-2021-45488?
To fix CVE-2021-45488, 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-2021-45488 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-45488 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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