{"id":"CVE-2023-43800","aliases":["EUVD-2023-2649","GHSA-4x5q-q7wc-q22p"],"status":"published","title":"Insufficient Verification of Data Authenticity in Arduino Create Agent","description":"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.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00219,"percentile":0.12517,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-345"],"published":"2023-10-18T15:54:26Z","modified":"2026-10-28T02:30:39Z","fixes":[{"ecosystem":"Go","package":"github.com/arduino/arduino-create-agent","fixed_in":["1.3.3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/arduino/arduino-create-agent","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.3"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/arduino/arduino-create-agent","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.3.3"}]}]}],"products":[{"vendor":"arduino","product":"arduino-create-agent"},{"vendor":"arduino","product":"create_agent"}],"references":[{"url":"https://github.com/arduino/arduino-create-agent/security/advisories/GHSA-4x5q-q7wc-q22p","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://github.com/arduino/arduino-create-agent/releases/tag/1.3.3","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://www.nozominetworks.com/blog/security-flaws-affect-a-component-of-the-arduino-create-cloud-ide","tags":["x_refsource_MISC","x_transferred","article","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-43800","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4x5q-q7wc-q22p"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/43xxx/CVE-2023-43800.json","tags":["advisory"]},{"url":"https://github.com/arduino/arduino-create-agent","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-43800","title":"Insufficient Verification of Data Authenticity in Arduino Create Agent","description":"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.","status":"published","published":"2023-10-18T21:07:21.601Z","modified":"2024-09-12T20:04:21.852Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T14:35:14.633899Z"}],"euvd":[{"id":"EUVD-2023-2649","description":"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.","status":"published","published":"2023-10-18T21:07:21Z","modified":"2024-09-12T20:04:21Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","level":"high"}],"updated_at":"2026-11-03T00:55:56.381285Z"}],"ghsa":[{"id":"GHSA-4x5q-q7wc-q22p","title":"Arduino Create Agent Insufficient Verification of Data Authenticity vulnerability","description":"### Impact\nThe 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.\nFurther details are available in the references.\n\n### Fixed Version\n* `1.3.3`\n\n### References\nThe issue was reported by Nozomi Networks Labs. Further details are available at the following URL:\n* https://www.nozominetworks.com/blog/security-flaws-affect-a-component-of-the-arduino-create-cloud-ide","status":"published","published":"2023-10-18T15:54:26Z","modified":"2023-11-11T05:04:42Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","level":"high"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T14:37:20.311836Z"}],"nvd":[{"id":"CVE-2023-43800","description":"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.","status":"published","published":"2023-10-18T22:15:09.173Z","modified":"2026-06-17T06:26:28.447Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T14:08:39.058878Z"}],"osv":[{"id":"CVE-2023-43800","title":"Insufficient Verification of Data Authenticity in Arduino Create Agent","description":"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.","status":"published","published":"2023-10-18T21:07:21.601Z","modified":"2026-10-28T02:30:39.233095182Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","level":"high"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T15:44:33.792101Z"},{"id":"GHSA-4x5q-q7wc-q22p","title":"Arduino Create Agent Insufficient Verification of Data Authenticity vulnerability","description":"### Impact\nThe 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.\nFurther details are available in the references.\n\n### Fixed Version\n* `1.3.3`\n\n### References\nThe issue was reported by Nozomi Networks Labs. Further details are available at the following URL:\n* https://www.nozominetworks.com/blog/security-flaws-affect-a-component-of-the-arduino-create-cloud-ide","status":"published","published":"2023-10-18T15:54:26Z","modified":"2026-09-10T03:49:24.6420176Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","level":"high"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T15:46:37.528068Z"}]}}