CVE-2024-27081: esphome Path Traversal

Description

ESPHome is a system to control your ESP8266/ESP32. A security misconfiguration in the edit configuration file API in the dashboard component of ESPHome version 2023.12.9 (command line installation) allows authenticated remote attackers to read and write arbitrary files under the configuration directory rendering remote code execution possible. This vulnerability is patched in 2024.2.1.

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CVSS v3.1 Score

7.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
esphome	esphome	All

References

Advisories & Patches

https://github.com/esphome/esphome/commit/d814ed1d4adc71fde47c4df41215bee449884513 https://github.com/esphome/esphome/security/advisories/GHSA-8p25-3q46-8q2p https://github.com/esphome/esphome/commit/d814ed1d4adc71fde47c4df41215bee449884513 https://github.com/esphome/esphome/security/advisories/GHSA-8p25-3q46-8q2p

Exploits

https://github.com/esphome/esphome/security/advisories/GHSA-8p25-3q46-8q2p https://github.com/esphome/esphome/security/advisories/GHSA-8p25-3q46-8q2p

Frequently Asked Questions

What is CVE-2024-27081? +

ESPHome is a system to control your ESP8266/ESP32. A security misconfiguration in the edit configuration file API in the dashboard component of ESPHome version 2023.12.9 (command line installation) allows authenticated remote attackers to read and write arbitrary files under the configuration directory rendering remote code execution possible. This vulnerability is patched in 2024.2.1. It has a CVSS v3.1 base score of 7.2 (HIGH).

How severe is CVE-2024-27081? +

CVE-2024-27081 has a CVSS v3.1 score of 7.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-27081? +

CVE-2024-27081 affects products from esphome, specifically: esphome. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-27081? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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