{"id":"CVE-2021-40531","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-40531","generatedAt":"2026-11-05T01:11:09.620Z","title":"Sketch before 75 allows library feeds to be used to bypass file quarantine.","description":"Sketch before 75 allows library feeds to be used to bypass file quarantine. Files are automatically downloaded and opened, without the com.apple.quarantine extended attribute. This results in remote code execution, as demonstrated by CommandString in a terminal profile to Terminal.app.","published":"2021-09-06T21:15:07.000Z","lastModified":"2026-06-17T04:07:06.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","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-434"],"affected":["sketch/sketch"],"epss":{"score":0.32998,"percentile":0.98362,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 33.0%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://jonpalmisc.com/2021/11/22/cve-2021-40531","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.sketch.com/updates/#version-75","tags":["Patch","Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://jonpalmisc.com/2021/11/22/cve-2021-40531","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.sketch.com/updates/#version-75","tags":["Patch","Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-40531","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."}