{"id":"CVE-2017-7494","kind":"vulnerability","aliases":["CVE-2017-7494"],"related":[],"title":"Samba since version 3.5.0 and before 4.6.4, 4.5.10 and 4.4.14 is vulnerable to remote code execution vulnerability,…","description":"Samba since version 3.5.0 and before 4.6.4, 4.5.10 and 4.4.14 is vulnerable to remote code execution vulnerability, allowing a malicious client to upload a shared library to a writable share, and then cause the server to load and execute it.","summary":"Samba, the Windows file and print sharing server, can be made to run code it should not. A malicious client uploads a shared library to a writable share and gets the server to load and execute it.","severity":"critical","cvss":10.0,"epss":null,"exploited":true,"exploited_at":"2023-03-30T00:00:00+00:00","products":[{"name":"Samba Samba","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"samba","fixed":["4.4.0"],"affected":">= 3.5.0, < 4.4.0","ecosystem":"vendor"},{"name":"samba","fixed":["4.4.14"],"affected":">= 4.4.0, < 4.4.14","ecosystem":"vendor"},{"name":"samba","fixed":["4.5.10"],"affected":">= 4.5.0, < 4.5.10","ecosystem":"vendor"},{"name":"samba","fixed":["4.6.4"],"affected":">= 4.6.0, < 4.6.4","ecosystem":"vendor"},{"name":"debian linux","fixed":[],"affected":"= 8.0","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","file-server","package","ransomware","samba","self-hosted"],"not_affected_if":["no-writable-share","samba-not-in-use"],"how_to_check":null,"fix":"Apply the Samba update per vendor instructions; the affected and fixed versions are not stated in the sources.","status":"open","published_at":"2017-05-30T18:29:00+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:08:30+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-23T21:08:30Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Samba update per vendor instructions; the affected and fixed versions are not stated in the sources.","reach":"network","impact":"high","summary":"Samba, the Windows file and print sharing server, can be made to run code it should not. A malicious client uploads a shared library to a writable share and gets the server to load and execute it.","category":"package","who_cares":["samba","self-hosted","file-server"],"confidence":0.6,"needs_auth":"unknown","worst_case":"Attacker runs code as the Samba server process, potentially root.","analyst_note":"Find affected and fixed Samba versions and the writable-share configuration condition from the Samba security advisory for CVE-2017-7494 (samba.org/samba/security).","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["no-writable-share","samba-not-in-use"],"user_interaction":"no","needs_special_setup":"yes","severity_if_unknown":"critical"},"cost_usd":0.000445,"input_tokens":2784,"output_tokens":333,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2017':19A,22A '-7494':20A,23A '3.5.0':4A,81C '4.4.14':10A,87C '4.5.10':8A,85C '4.6.4':7A,84C 'allow':95C 'caus':110C 'client':61B,98C 'code':15A,55B,92C 'cve':18A,21A 'debian':30A 'execut':16A,77B,93C,116C 'exploit':32B 'file':34B,45B 'file-serv':33B 'get':71B 'host':41B 'librari':65B,103C 'linux':31A 'load':75B,114C 'made':52B 'malici':60B,97C 'packag':36B 'print':47B 'ransomwar':37B 'remot':14A,91C 'run':54B 'samba':1A,24A,25A,26A,27A,28A,29A,38B,42B,78C 'self':40B 'self-host':39B 'server':35B,49B,73B,112C 'share':48B,64B,69B,102C,107C 'sinc':2A,79C 'upload':62B,100C 'version':3A,80C 'vulner':12A,17A,89C,94C 'window':44B 'writabl':68B,106C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2017-05-30T18:29:00+00:00","kev":{"dateAdded":"2023-03-30","dueDate":"2023-04-20","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Known"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2017-7494","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2017-7494","severity":null,"published_at":"2023-03-30T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T16:39:47+00:00","note":null},{"source":"nvd","external_id":"CVE-2017-7494","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-7494","severity":null,"published_at":"2017-05-30T18:29:00+00:00","modified_at":"2026-06-17T01:24:27+00:00","first_seen_at":"2026-10-23T22:29:04+00:00","fetched_at":"2026-10-23T22:29:04+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}