{"id":"CVE-2021-26612","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-26612","generatedAt":"2026-10-27T20:22:58.787Z","title":"An improper input validation leading to arbitrary file creation was discovered in copy method of Nexacro platform.","description":"An improper input validation leading to arbitrary file creation was discovered in copy method of Nexacro platform. Remote attackers use copy method to execute arbitrary command after the file creation included malicious code.","published":"2021-11-30T19:15:09.000Z","lastModified":"2026-06-17T03:43:34.000Z","status":"Modified","sourceIdentifier":"vuln@krcert.or.kr","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-20"],"affected":["tobesoft/nexacro"],"epss":{"score":0.01203,"percentile":0.68029,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.20%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36380","tags":["Third Party Advisory"],"source":"vuln@krcert.or.kr"},{"url":"https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36380","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-26612","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}