CVE-2026-40434

Anviz CrossChex Standard Improper Verification of Source of a Communication Channel

State: Published
Severity: 8.1 High
Published: Apr 17, 2026
Updated: Apr 17, 2026
Reserved: Apr 14, 2026

Description

Anviz CrossChex Standard lacks source verification in the client/server channel, enabling TCP packet injection by an attacker on the same network to alter or disrupt application traffic.

Scores

CVSS	Score	Vector	Source
3.1	8.1 High	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H	icscert

Weaknesses

CWE-940

Affected Products

Product	Versions
Anviz CrossChex StandardAnviz	All versionsAffected

References

https://www.anviz.com/contact-us.html
https://www.cisa.gov/news-events/ics-advisories/icsa-26-106-03
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-106-03.json

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