CVE-2022-43501

Published Feb 10, 2023 CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD 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.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
jpcert
Published
Updated
Mar 24, 2025, 6:11 PM
Reserved
Dec 9, 2022, 12:00 AM
Status
Modified
Published
Feb 10, 2023, 4:15 AM
Modified
Jun 17, 2026, 5:06 AM