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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-40434
- 2026-10-03 Alias added: GHSA-qg37-cwrh-945r
References
More Anviz Crosschex Standard vulnerabilities
- TI-2026-25158 Anviz CrossChex Standard Algorithm Downgrade CVSS 3.1HIGH 7.5
Sources
- CVE-2026-40434 · CVE Program
- CVE-2026-40434 · NVD
- FIRST EPSS
- GHSA-qg37-cwrh-945r · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences