CVE-2022-43501

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.

CVSS v3.0 9.1 CRITICAL

9.1^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://jvn.jp/en/vu/JVNVU99551468/	Third Party Advisory
https://jvn.jp/en/vu/JVNVU99551468/	Third Party Advisory
https://www.elwsc.co.jp/news/6352	Vendor Advisory
https://www.elwsc.co.jp/news/6352	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:elwsc:kasago_ipv6\/v4_dual::::::::
	cpe:2.3:a:elwsc:kasago_mobile_ipv6::::::::
	cpe:2.3:a:elwsc:kasago_ipv4_light::::::::
	cpe:2.3:a:elwsc:kasago_ipv4::::::::

History

24 Mar 2025, 18:15

Type	Values Removed	Values Added
References	~~(JVN) https://jvn.jp/en/vu/JVNVU99551468/ - Third Party Advisory~~	() https://jvn.jp/en/vu/JVNVU99551468/ - Third Party Advisory
References	~~(CONFIRM) https://www.elwsc.co.jp/news/6352 - Vendor Advisory~~	() https://www.elwsc.co.jp/news/6352 - Vendor Advisory

Information

Published : 2023-02-10 04:15

Updated : 2025-03-24 18:15

NVD link : CVE-2022-43501

Mitre link : CVE-2022-43501

JSON object : View

Products Affected

elwsc

kasago_ipv6\/v4_dual
kasago_ipv4
kasago_mobile_ipv6
kasago_ipv4_light

CWE

CWE-330

Use of Insufficiently Random Values

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