{"id":"CVE-2017-2391","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-2391","generatedAt":"2026-10-28T23:10:30.141Z","title":"It allows users to bypass iWork PDF password protection by leveraging use of 40-bit RC4.","description":"An issue was discovered in certain Apple products. Pages before 6.1, Numbers before 4.1, and Keynote before 7.1 on macOS and Pages before 3.1, Numbers before 3.1, and Keynote before 3.1 on iOS are affected. The issue involves the \"Export\" component. It allows users to bypass iWork PDF password protection by leveraging use of 40-bit RC4.","published":"2017-04-02T01:59:01.000Z","lastModified":"2026-06-17T01:16:07.000Z","status":"Modified","sourceIdentifier":"product-security@apple.com","cvss":{"version":"3.0","score":5.3,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},"cwe":["CWE-326"],"affected":["apple/keynote","apple/numbers","apple/pages"],"epss":{"score":0.00959,"percentile":0.61333,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.96%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/97126","tags":["Third Party Advisory","VDB Entry"],"source":"product-security@apple.com"},{"url":"http://www.securitytracker.com/id/1038134","source":"product-security@apple.com"},{"url":"http://www.securitytracker.com/id/1038135","source":"product-security@apple.com"},{"url":"http://www.securitytracker.com/id/1038136","source":"product-security@apple.com"},{"url":"https://support.apple.com/HT207595","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"http://www.securityfocus.com/bid/97126","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1038134","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1038135","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1038136","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT207595","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-2391","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."}