{"id":"CVE-2012-6422","url":"https://www.cyber-defence.io/tools/cve/CVE-2012-6422","generatedAt":"2026-11-05T07:55:57.083Z","title":"The kernel in Samsung Galaxy S2, Galaxy Note 2, MEIZU MX, and possibly other Android devices, when running an Exynos 4210 or 4412 processor, uses weak permissions (0666) for /dev/exynos-mem, which allows attackers to read or write arbitrary physical…","description":"The kernel in Samsung Galaxy S2, Galaxy Note 2, MEIZU MX, and possibly other Android devices, when running an Exynos 4210 or 4412 processor, uses weak permissions (0666) for /dev/exynos-mem, which allows attackers to read or write arbitrary physical memory and gain privileges via a crafted application, as demonstrated by ExynosAbuse.","published":"2012-12-18T00:55:04.000Z","lastModified":"2026-06-16T23:48:05.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":9.3,"severity":"HIGH","vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C"},"cwe":["CWE-264"],"affected":["meizu/mx","samsung/galaxy note 2","samsung/galaxy s2"],"epss":{"score":0.15102,"percentile":0.96746,"date":"2026-11-04","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 15.1%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://arstechnica.com/security/2012/12/developer-warns-of-critical-vulnerability-in-many-samsung-smartphones/","source":"cve@mitre.org"},{"url":"http://forum.xda-developers.com/showthread.php?p=35469999","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"http://forum.xda-developers.com/showthread.php?t=2051290","source":"cve@mitre.org"},{"url":"http://osvdb.org/88467","source":"cve@mitre.org"},{"url":"http://project-voodoo.org/articles/instant-fix-app-for-exynos-mem-abuse-vulnerability-no-root-required-reversible","source":"cve@mitre.org"},{"url":"http://www.sammobile.com/2012/12/16/major-vulnerability-found-on-exynos-4-devices/","source":"cve@mitre.org"},{"url":"http://www.securityweek.com/new-vulnerability-exposed-samsungs-android-devices","source":"cve@mitre.org"},{"url":"http://arstechnica.com/security/2012/12/developer-warns-of-critical-vulnerability-in-many-samsung-smartphones/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://forum.xda-developers.com/showthread.php?p=35469999","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://forum.xda-developers.com/showthread.php?t=2051290","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://osvdb.org/88467","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://project-voodoo.org/articles/instant-fix-app-for-exynos-mem-abuse-vulnerability-no-root-required-reversible","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.sammobile.com/2012/12/16/major-vulnerability-found-on-exynos-4-devices/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityweek.com/new-vulnerability-exposed-samsungs-android-devices","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2012-6422","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."}