{"cve":"CVE-2023-3939","nvd":{"published":"2024-05-21T10:15:09.683","modified":"2026-06-17T06:15:23.250","status":"Deferred","description":"Improper Neutralization of Special Elements used in an OS Command ('OS \nCommand Injection') vulnerability in ZkTeco-based OEM devices allows OS \nCommand Injection. \nSince all the found command implementations are executed from the \nsuperuser, their impact is the maximum possible.\nThis issue affects \nZkTeco-based OEM devices (ZkTeco ProFace X, Smartec ST-FR043, Smartec \nST-FR041ME and possibly others) with the ZAM170-NF-1.8.25-7354-Ver1.0.0 \nand possibly other.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","score":10.0},"cwes":["CWE-78"],"references":["https://github.com/klsecservices/Advisories/blob/master/K-ZkTeco-2023-002.md","https://github.com/klsecservices/Advisories/blob/master/K-ZkTeco-2023-002.md"],"products":[],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2023-3939","score":0.01324,"percentile":0.70929,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}