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TI-2026-29195 Aliases CVE-2026-40434GHSA-qg37-cwrh-945r

Anviz CrossChex Standard Improper Verification of Source of a Communication Channel

Priority LOW 35CWE-940Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00231 14th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AnvizAnviz CrossChex StandardAll versions—No fix listedCNA
  • Anviz CrossChex Standard VendorAnviz Affected All versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:anviz:crosschex_standard:-:*:*:*:*:*:*:*not specified by NVDVulnerableAnviz
  • cpe:2.3:a:anviz:crosschex_standard:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Anviz

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-40434
  2. 2026-10-03 Alias added: GHSA-qg37-cwrh-945r

References

  • TI-2026-25158 Anviz CrossChex Standard Algorithm Downgrade CVSS 3.1HIGH 7.5

Sources