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CVE-2026-40434

Anviz CrossChex Standard Improper Verification of Source of a Communication Channel

Published: Apr 17, 2026Updated: Apr 17, 2026 Sources: CVE List NVD
NVD MITRE
8.1CVSS
HIGH

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.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Workaround Only

CVSS Vector Breakdown

AV:AAC:LPR:NUI:NS:UC:NI:HA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:HAvailability
High

Weaknesses

CWE-940

Affected Products

Anviz CrossChex Standard
Anviz

Exploitability

Workaround Available

References

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

Timeline

Published
Apr 17, 2026
Last Updated
Apr 17, 2026

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