Path Traversal in Arduino Arduino-Create-Agent

CVE-2023-43803

Arduino Create Agent is a package to help manage Arduino development. This vulnerability affects the endpoint `/v2/pkgs/tools/installed` and the way it handles plugin names supplied as user input. A user who has the ability to perform HTTP requests to the localhost interface, or is able to bypass the CORS configuration, can delete arbitrary files or folders belonging to the user that runs the Arduino Create Agent via a crafted HTTP POST request. This issue has been addressed in version `1.3.3`. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.003 (25.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-43803?
CVE-2023-43803 is a medium-severity vulnerability in Arduino Arduino-Create-Agent, classified under Path Traversal. CVSS score: 6.1/10. Published 2023-10-18.
How severe is CVE-2023-43803?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2023-43803 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.