{"cve":"CVE-2020-7869","nvd":{"published":"2021-06-29T14:15:08.237","modified":"2026-06-17T03:25:34.767","status":"Modified","description":"An improper input validation vulnerability of ZOOK software (remote administration tool) could allow a remote attacker to create arbitrary file. The ZOOK viewer has the \"Tight file CMD\" function to create file. An attacker could create and execute arbitrary file in the ZOOK agent program using \"Tight file CMD\" without authority.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-20"],"references":["https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36090","https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36090"],"products":["mastersoft:zook"],"source":"nvd","synced_at":"2026-10-19T21:20:07.141963181+00:00"},"epss":{"cve":"CVE-2020-7869","score":0.01621,"percentile":0.76089,"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."]}