CVE-2022-43501 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0021.

Exploitation none

Automatable yes

Technical Impact total

Vendors	Products
Elwsc	Kasago Ipv4 Kasago Ipv4 Light Kasago Ipv6\/v4 Dual Kasago Mobile Ipv6

Configuration 1 [-]

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

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2022-46499	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.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://jvn.jp/en/vu/JVNVU99551468/
https://www.elwsc.co.jp/news/6352

History

Mon, 24 Mar 2025 18:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: jpcert

Published: 2023-02-10T00:00:00.000Z

Updated: 2025-03-24T18:11:03.974Z

Reserved: 2022-12-09T00:00:00.000Z

Link: CVE-2022-43501

Vulnrichment

Updated: 2024-08-03T13:32:59.196Z

NVD

Status : Modified

Published: 2023-02-10T04:15:11.107

Modified: 2025-03-24T18:15:14.587

Link: CVE-2022-43501

Redhat

No data.

OpenCVE Enrichment

No data.

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