{"id":"CVE-2015-6922","aliases":["EUVD-2015-6857","GHSA-qf3c-cpvg-3663"],"status":"published","title":"Kaseya Virtual System Administrator (VSA) 7.x before 7.0.0.33, 8.x before 8.0.0.23, 9.0 before 9...","description":"Kaseya Virtual System Administrator (VSA) 7.x before 7.0.0.33, 8.x before 8.0.0.23, 9.0 before 9.0.0.19, and 9.1 before 9.1.0.9 does not properly require authentication, which allows remote attackers to bypass authentication and (1) add an administrative account via crafted request to LocalAuth/setAccount.aspx or (2) write to and execute arbitrary files via a full pathname in the PathData parameter to ConfigTab/uploader.aspx.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.82102,"percentile":0.99657,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-287"],"published":"2020-02-17T18:00:30Z","modified":"2026-06-17T00:31:35Z","exploits":[{"source":"exploitdb","id":"EDB-38351","title":"Kaseya Virtual System Administrator (VSA) - Multiple Vulnerabilities (2)","type":"webapps","platform":"asp","date":"2015-09-29","verified":true,"url":"https://www.exploit-db.com/exploits/38351"},{"source":"exploitdb","id":"EDB-38401","title":"Kaseya Virtual System Administrator (VSA) - 'uploader.aspx' Arbitrary File Upload (Metasploit)","type":"remote","platform":"windows","date":"2015-10-05","verified":true,"url":"https://www.exploit-db.com/exploits/38401"},{"source":"metasploit","id":"auxiliary/admin/http/kaseya_master_admin","title":"Kaseya VSA Master Administrator Account Creation","type":"auxiliary","date":"2015-09-23","verified":true,"url":"https://www.rapid7.com/db/modules/auxiliary/admin/http/kaseya_master_admin"},{"source":"metasploit","id":"exploit/windows/http/kaseya_uploader","title":"Kaseya VSA uploader.aspx Arbitrary File Upload","type":"exploit","platform":"Windows","date":"2015-09-23","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/http/kaseya_uploader"}],"products":[{"vendor":"kaseya","product":"virtual_system_administrator"}],"references":[{"url":"http://www.zerodayinitiative.com/advisories/ZDI-15-448","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://packetstormsecurity.com/files/133782/Kaseya-Virtual-System-Administrator-Code-Execution-Privilege-Escalation.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-15-449","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/38351/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://helpdesk.kaseya.com/entries/96164487--Kaseya-Security-Advisory","tags":["x_refsource_MISC","x_transferred","Broken Link","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-6922"},{"url":"https://github.com/advisories/GHSA-qf3c-cpvg-3663"}],"sources":{"cve":[{"id":"CVE-2015-6922","description":"Kaseya Virtual System Administrator (VSA) 7.x before 7.0.0.33, 8.x before 8.0.0.23, 9.0 before 9.0.0.19, and 9.1 before 9.1.0.9 does not properly require authentication, which allows remote attackers to bypass authentication and (1) add an administrative account via crafted request to LocalAuth/setAccount.aspx or (2) write to and execute arbitrary files via a full pathname in the PathData parameter to ConfigTab/uploader.aspx.","status":"published","published":"2020-02-17T18:00:30Z","modified":"2024-08-06T07:36:35.248Z","updated_at":"2026-11-02T14:35:42.984856Z"}],"euvd":[{"id":"EUVD-2015-6857","description":"Kaseya Virtual System Administrator (VSA) 7.x before 7.0.0.33, 8.x before 8.0.0.23, 9.0 before 9.0.0.19, and 9.1 before 9.1.0.9 does not properly require authentication, which allows remote attackers to bypass authentication and (1) add an administrative account via crafted request to LocalAuth/setAccount.aspx or (2) write to and execute arbitrary files via a full pathname in the PathData parameter to ConfigTab/uploader.aspx.","status":"published","published":"2020-02-17T18:00:30Z","modified":"2024-08-06T07:36:35Z","updated_at":"2026-11-03T02:21:54.34629Z"}],"ghsa":[{"id":"GHSA-qf3c-cpvg-3663","title":"Kaseya Virtual System Administrator (VSA) 7.x before 7.0.0.33, 8.x before 8.0.0.23, 9.0 before 9...","description":"Kaseya Virtual System Administrator (VSA) 7.x before 7.0.0.33, 8.x before 8.0.0.23, 9.0 before 9.0.0.19, and 9.1 before 9.1.0.9 does not properly require authentication, which allows remote attackers to bypass authentication and (1) add an administrative account via crafted request to LocalAuth/setAccount.aspx or (2) write to and execute arbitrary files via a full pathname in the PathData parameter to ConfigTab/uploader.aspx.","status":"published","published":"2022-05-24T17:09:08Z","modified":"2023-01-29T05:01:43Z","updated_at":"2026-11-02T14:44:53.993473Z"}],"nvd":[{"id":"CVE-2015-6922","description":"Kaseya Virtual System Administrator (VSA) 7.x before 7.0.0.33, 8.x before 8.0.0.23, 9.0 before 9.0.0.19, and 9.1 before 9.1.0.9 does not properly require authentication, which allows remote attackers to bypass authentication and (1) add an administrative account via crafted request to LocalAuth/setAccount.aspx or (2) write to and execute arbitrary files via a full pathname in the PathData parameter to ConfigTab/uploader.aspx.","status":"published","published":"2020-02-17T18:15:11.95Z","modified":"2026-06-17T00:31:35.65Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:03:19.73542Z"}]}}