{"id":"CVE-2004-2136","url":"https://www.cyber-defence.io/tools/cve/CVE-2004-2136","generatedAt":"2026-10-27T17:29:46.516Z","title":"dm-crypt on Linux kernel 2.6.x, when used on certain file systems with a block size 1024 or greater, has certain \"IV computation\" weaknesses that allow watermarked files to be detected without decryption.","description":"dm-crypt on Linux kernel 2.6.x, when used on certain file systems with a block size 1024 or greater, has certain \"IV computation\" weaknesses that allow watermarked files to be detected without decryption.","published":"2004-02-19T05:00:00.000Z","lastModified":"2026-06-16T22:09:05.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":2.1,"severity":"LOW","vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N"},"cwe":[],"affected":["linux/linux kernel"],"epss":{"score":0.00517,"percentile":0.43744,"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":"low","text":"Lower severity and a low EPSS score (0.52%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://marc.info/?l=linux-kernel&m=107719798631935&w=2","source":"cve@mitre.org"},{"url":"http://mareichelt.de/pub/notmine/diskenc.pdf","source":"cve@mitre.org"},{"url":"http://www.securiteam.com/exploits/5UP0P1PFPM.html","tags":["Exploit","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://marc.info/?l=linux-kernel&m=107719798631935&w=2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://mareichelt.de/pub/notmine/diskenc.pdf","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securiteam.com/exploits/5UP0P1PFPM.html","tags":["Exploit","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2004-2136","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."}