CVE-2023-43800
Insufficient Verification of Data Authenticity in Arduino Create Agent
Arduino Create Agent is a package to help manage Arduino development. The vulnerability affects the endpoint /v2/pkgs/tools/installed. A user who has the ability to perform HTTP requests to the localhost interface, or is able to bypass the CORS configuration, can escalate his privileges to those of the user running the Arduino Create Agent service 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 issue.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Insufficient Verification of Data Authenticity in Arduino Create Agent
Arduino Create Agent is a package to help manage Arduino development. The vulnerability affects the endpoint /v2/pkgs/tools/installed. A user who has the ability to perform HTTP requests to the localhost interface, or is able to bypass the CORS configuration, can escalate his privileges to those of the user running the Arduino Create Agent service 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 issue.
- Record
CVE-2023-43800- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L - Weakness
- CWE-345
- Updated
- 2026-11-02
EUVDEUVD-2023-2649
Arduino Create Agent is a package to help manage Arduino development. The vulnerability affects the endpoint /v2/pkgs/tools/installed. A user who has the ability to perform HTTP requests to the localhost interface, or is able to bypass the CORS configuration, can escalate his privileges to those of the user running the Arduino Create Agent service 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 issue.
- Record
EUVD-2023-2649- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4x5q-q7wc-q22p
Arduino Create Agent Insufficient Verification of Data Authenticity vulnerability
Impact
The vulnerability affects the endpoint /v2/pkgs/tools/installed. A user who has the ability to perform HTTP requests to the localhost interface, or is able to bypass the CORS configuration, can escalate his privileges to those of the user running the Arduino Create Agent service via a crafted HTTP POST request.
Further details are available in the references.
Fixed Version
1.3.3
References
The issue was reported by Nozomi Networks Labs. Further details are available at the following URL:
- Record
GHSA-4x5q-q7wc-q22p- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L - Weakness
- CWE-345
- Updated
- 2026-11-02
NVD
Arduino Create Agent is a package to help manage Arduino development. The vulnerability affects the endpoint /v2/pkgs/tools/installed. A user who has the ability to perform HTTP requests to the localhost interface, or is able to bypass the CORS configuration, can escalate his privileges to those of the user running the Arduino Create Agent service 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 issue.
- Record
CVE-2023-43800- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-345
- Updated
- 2026-11-02
OSV
Insufficient Verification of Data Authenticity in Arduino Create Agent
Arduino Create Agent is a package to help manage Arduino development. The vulnerability affects the endpoint /v2/pkgs/tools/installed. A user who has the ability to perform HTTP requests to the localhost interface, or is able to bypass the CORS configuration, can escalate his privileges to those of the user running the Arduino Create Agent service 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 issue.
- Record
CVE-2023-43800- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L - Weakness
- CWE-345
- Updated
- 2026-11-02
OSVGHSA-4x5q-q7wc-q22p
Arduino Create Agent Insufficient Verification of Data Authenticity vulnerability
Impact
The vulnerability affects the endpoint /v2/pkgs/tools/installed. A user who has the ability to perform HTTP requests to the localhost interface, or is able to bypass the CORS configuration, can escalate his privileges to those of the user running the Arduino Create Agent service via a crafted HTTP POST request.
Further details are available in the references.
Fixed Version
1.3.3
References
The issue was reported by Nozomi Networks Labs. Further details are available at the following URL:
- Record
GHSA-4x5q-q7wc-q22p- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L - Weakness
- CWE-345
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/arduino/arduino-create-agentGo |
before 1.3.3 | 1.3.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-43800 is a high vulnerability (CVSS 7.3) in Arduino Create Agent, published October 18, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 12th percentile. Fixed in github.com/arduino/arduino-create-agent 1.3.3.
References
github.com/arduino/arduino-create-agent/security/advisories/GHSA-4x5q-q7wc-q22p
nozominetworks.com/blog/security-flaws-affect-a-component-of-the-arduino-create-cloud-ide
nvd.nist.gov/vuln/detail/CVE-2023-43800