CVE-2026-40434CWE-940

Anviz CrossChex Standard Improper Verification of Source of a Communication Channel

High · published April 17, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
30.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00375 · 30.3th percentile
Weakness
CWE-940 · Improper Verification of Source of a Communication Channel
Published
2026-04-17T19:49Z
EPSS history
Timeline
  • 17 APR 19:49Z
    Anviz CrossChex Standard Improper Verification of Source of a Communication Channel
    cvelistv5