{"id":"CVE-2023-5966","aliases":["BIT-espocrm-2023-5966","EUVD-2023-58237","GHSA-7wx4-fjq2-2hjg"],"status":"published","title":"Unrestricted Upload of File with Dangerous Type in EspoCRM","description":"An authenticated privileged attacker could upload a specially crafted zip to the EspoCRM server in version 7.2.5, via the extension deployment form, which could lead to arbitrary PHP code execution.","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0104,"percentile":0.6424,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-434"],"published":"2023-11-30T13:26:48Z","modified":"2026-10-28T02:31:04Z","exploits":[{"source":"pocgithub","id":"ll104567/cve-2023-5966","title":"ll104567/cve-2023-5966","date":"2024-03-08","url":"https://github.com/ll104567/cve-2023-5966"}],"fixes":[{"ecosystem":"Bitnami","package":"espocrm","fixed_in":["7.5.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"espocrm","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"7.5.2"}]}]}],"products":[{"vendor":"espocrm","product":"espocrm"}],"references":[{"url":"https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-espocrm","tags":["x_transferred","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5966","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-7wx4-fjq2-2hjg"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5966.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-5966","title":"Unrestricted Upload of File with Dangerous Type in EspoCRM","description":"An authenticated privileged attacker could upload a specially crafted zip to the EspoCRM server in version 7.2.5, via the extension deployment form, which could lead to arbitrary PHP code execution.","status":"published","published":"2023-11-30T13:26:48.245Z","modified":"2026-04-20T07:57:21.961Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:35:16.771348Z"}],"euvd":[{"id":"EUVD-2023-58237","description":"An authenticated privileged attacker could upload a specially crafted zip to the EspoCRM server in version 7.2.5, via the extension deployment form, which could lead to arbitrary PHP code execution.","status":"published","published":"2023-11-30T13:26:48Z","modified":"2026-04-20T07:57:21Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T19:24:22.924744Z"}],"ghsa":[{"id":"GHSA-7wx4-fjq2-2hjg","title":"An authenticated privileged attacker could upload a specially crafted zip to the EspoCRM server...","description":"An authenticated privileged attacker could upload a specially crafted zip to the EspoCRM server in version 7.2.5, via the extension deployment form, which could lead to arbitrary PHP code execution.","status":"published","published":"2023-11-30T15:30:24Z","modified":"2023-11-30T15:30:36Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:55:08.006495Z"}],"nvd":[{"id":"CVE-2023-5966","description":"An authenticated privileged attacker could upload a specially crafted zip to the EspoCRM server in version 7.2.5, via the extension deployment form, which could lead to arbitrary PHP code execution.","status":"published","published":"2023-11-30T14:15:13.45Z","modified":"2026-06-17T06:49:45.68Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:08:49.393375Z"}],"osv":[{"id":"CVE-2023-5966","title":"Unrestricted Upload of File with Dangerous Type in EspoCRM","description":"An authenticated privileged attacker could upload a specially crafted zip to the EspoCRM server in version 7.2.5, via the extension deployment form, which could lead to arbitrary PHP code execution.","status":"published","published":"2023-11-30T13:26:48.245Z","modified":"2026-10-28T02:31:04.788166524Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:44:36.851042Z"},{"id":"BIT-espocrm-2023-5966","description":"An authenticated privileged attacker could upload a specially crafted zip to the EspoCRM server in version 7.2.5, via the extension deployment form, which could lead to arbitrary PHP code execution.","status":"published","published":"2024-03-06T10:51:41.103Z","modified":"2024-03-06T11:25:28.861Z","updated_at":"2026-11-02T15:28:29.563843Z"}]}}