CVE-2026-40434 Details
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.
A vulnerability exists in Anviz CrossChex Standard due to a lack of source verification in the client/server communication channel. This flaw allows an attacker on the same network to inject TCP packets, potentially altering or disrupting application traffic. Additionally, this vulnerability could be exploited to gain unauthorized access to database credentials, which are transmitted unencrypted, enabling unauthorized database access.
Anviz did not respond to CISA's attempts to coordinate these vulnerabilities. Users should contact Anviz for more information.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 17, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-106-03.json | [email protected] | Third Party Advisory |
| https://www.anviz.com/contact-us.html | [email protected] | Product |
| https://www.cisa.gov/news-events/ics-advisories/icsa-26-106-03 | [email protected] | US Government Resource |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-940 | Improper Verification of Source of a Communication Channel | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| anviz crosschex standard | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 4, 2026 | Initial Analysis | [email protected] |
| Apr 17, 2026 | New CVE Received | [email protected] |