CVE-2023-31634

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-03-27 · updated 2026-06-17
Weakness: CWE-287

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.

Affected products

Teslamate: before 1.27.2 — fixed in 1.27.2

How to fix

Upgrade to a fixed version: Teslamate 1.27.2. Check the vendor advisory for mitigations.

References

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

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