{"id":"CVE-2018-20250","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-20250","generatedAt":"2026-10-29T00:43:04.789Z","title":"WinRAR Absolute Path Traversal Vulnerability","description":"In WinRAR versions prior to and including 5.61, There is path traversal vulnerability when crafting the filename field of the ACE format (in UNACEV2.dll). When the filename field is manipulated with specific patterns, the destination (extraction) folder is ignored, thus treating the filename as an absolute path.","published":"2019-02-05T20:29:00.000Z","lastModified":"2026-08-13T05:17:18.000Z","status":"Analyzed","sourceIdentifier":"cve@checkpoint.com","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-36","CWE-22"],"affected":["rarlab/winrar"],"epss":{"score":0.96004,"percentile":0.99875,"date":"2026-10-27","history":[]},"kev":{"listed":true,"dateAdded":"2022-02-15","dueDate":"2022-08-15","knownRansomwareCampaignUse":"Known","notes":"Apply updates per vendor instructions.\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-20250"},"exploits":{"count":2,"verified":true,"firstPublished":"2019-02-22","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":46756,"kind":"exploit","title":"RARLAB WinRAR 5.61 - ACE Format Input Validation Remote Code Execution (Metasploit)","url":"https://www.exploit-db.com/exploits/46756","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/local/46756.rb","file":"exploits/windows/local/46756.rb","published":"2019-04-25","added":"2019-04-25","updated":"2019-04-25","author":"Metasploit","type":"local","platform":"windows","port":null,"verified":true,"codes":["CVE-2018-20250"],"tags":"Local","aliases":null,"applicationUrl":"http://www.exploit-db.comwrar561tr.exe","screenshotUrl":null,"referenceUrl":"https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/fileformat/winrar_ace.rb"},{"edbId":46552,"kind":"exploit","title":"WinRAR 5.61 - Path Traversal","url":"https://www.exploit-db.com/exploits/46552","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/local/46552.py","file":"exploits/windows/local/46552.py","published":"2019-02-22","added":"2019-03-16","updated":"2019-04-25","author":"WyAtu","type":"local","platform":"windows","port":null,"verified":true,"codes":["CVE-2018-20250"],"tags":null,"aliases":null,"applicationUrl":"http://www.exploit-db.comwrar561tr.exe","screenshotUrl":null,"referenceUrl":"https://github.com/WyAtu/CVE-2018-20250/blob/5a2df20fe3d28137ab4553153294abfb3c059be9/exp.py"}]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 15 August 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/152618/RARLAB-WinRAR-ACE-Format-Input-Validation-Remote-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@checkpoint.com"},{"url":"http://www.rapid7.com/db/modules/exploit/windows/fileformat/winrar_ace","tags":["Third Party Advisory"],"source":"cve@checkpoint.com"},{"url":"http://www.securityfocus.com/bid/106948","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"cve@checkpoint.com"},{"url":"https://github.com/blau72/CVE-2018-20250-WinRAR-ACE","tags":["Exploit","Third Party Advisory"],"source":"cve@checkpoint.com"},{"url":"https://research.checkpoint.com/extracting-code-execution-from-winrar/","tags":["Exploit","Press/Media Coverage","Third Party Advisory"],"source":"cve@checkpoint.com"},{"url":"https://www.exploit-db.com/exploits/46552/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@checkpoint.com"},{"url":"https://www.exploit-db.com/exploits/46756/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@checkpoint.com"},{"url":"https://www.win-rar.com/whatsnew.html","tags":["Release Notes"],"source":"cve@checkpoint.com"},{"url":"http://packetstormsecurity.com/files/152618/RARLAB-WinRAR-ACE-Format-Input-Validation-Remote-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.rapid7.com/db/modules/exploit/windows/fileformat/winrar_ace","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/106948","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/blau72/CVE-2018-20250-WinRAR-ACE","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://research.checkpoint.com/extracting-code-execution-from-winrar/","tags":["Exploit","Press/Media Coverage","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/46552/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/46756/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.win-rar.com/whatsnew.html","tags":["Release Notes"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-20250","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-20250","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."}