{"cve":"CVE-2021-26622","nvd":{"published":"2022-03-25T19:15:08.837","modified":"2026-06-17T03:43:34.890","status":"Modified","description":"An remote code execution vulnerability due to SSTI vulnerability and insufficient file name parameter validation was discovered in Genian NAC. Remote attackers are able to execute arbitrary malicious code with SYSTEM privileges on all connected nodes in NAC through this vulnerability.","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-94","CWE-20"],"references":["https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66580","https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66580"],"products":["genians:genian_nac"],"source":"nvd","synced_at":"2026-10-19T21:29:06.454770966+00:00"},"epss":{"cve":"CVE-2021-26622","score":0.03034,"percentile":0.87501,"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."]}