CVE-2022-43501

CriticalCVSS 9.1/10Last modified Jun 17, 2026

Description

KASAGO TCP/IP stack provided by Zuken Elmic generates ISNs(Initial Sequence Number) for TCP connections from an insufficiently random source. An attacker may be able to determine the ISN of the current or future TCP connections and either hijack existing ones or spoof future ones.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-330

Affected software

No affected versions have been published.

Timeline

Published: Feb 10, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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