CVE-2021-45488

HIGH

NetBSD < 9.2 - Information Leak via TCP ISN Generation Algorithm

Title source: llm

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

Core 2

Core References

Technical Description, Third Party Advisory x_refsource_misc

Patch, Vendor Advisory x_refsource_misc

CVSS v3 7.5

EPSS 0.0096

EPSS Percentile 56.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CWE

CWE-330

Status published

Products (1)

netbsd/netbsd < 9.2

Published Dec 25, 2021

Tracked Since Feb 18, 2026