{"id":"CVE-2015-2233","aliases":["EUVD-2015-2340","GHSA-fqpg-f87m-4pv9"],"status":"published","title":"Lenovo System Update (formerly ThinkVantage System Update) before 5.06.0034 does not properly...","description":"Lenovo System Update (formerly ThinkVantage System Update) before 5.06.0034 does not properly validate CA chains during signature validation, which allows man-in-the-middle attackers to upload and execute arbitrary files via a crafted certificate.","severity":{"version":"2.0","score":8.3,"vector":"AV:A/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00404,"percentile":0.34888,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-310"],"published":"2015-05-12T19:00:00Z","modified":"2026-06-17T00:23:47Z","products":[{"vendor":"lenovo","product":"system_update"}],"references":[{"url":"http://www.ioactive.com/pdfs/Lenovo_System_Update_Multiple_Privilege_Escalations.pdf","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://support.lenovo.com/us/en/product_security/lsu_privilege","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://securitytracker.com/id/1032268","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.securityfocus.com/bid/74642","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-2233"},{"url":"https://github.com/advisories/GHSA-fqpg-f87m-4pv9"}],"sources":{"cve":[{"id":"CVE-2015-2233","description":"Lenovo System Update (formerly ThinkVantage System Update) before 5.06.0034 does not properly validate CA chains during signature validation, which allows man-in-the-middle attackers to upload and execute arbitrary files via a crafted certificate.","status":"published","published":"2015-05-12T19:00:00Z","modified":"2024-08-06T05:10:15.37Z","updated_at":"2026-11-02T14:35:41.621934Z"}],"euvd":[{"id":"EUVD-2015-2340","description":"Lenovo System Update (formerly ThinkVantage System Update) before 5.06.0034 does not properly validate CA chains during signature validation, which allows man-in-the-middle attackers to upload and execute arbitrary files via a crafted certificate.","status":"published","published":"2015-05-12T19:00:00Z","modified":"2024-08-06T05:10:15Z","updated_at":"2026-11-03T02:22:12.830256Z"}],"ghsa":[{"id":"GHSA-fqpg-f87m-4pv9","title":"Lenovo System Update (formerly ThinkVantage System Update) before 5.06.0034 does not properly...","description":"Lenovo System Update (formerly ThinkVantage System Update) before 5.06.0034 does not properly validate CA chains during signature validation, which allows man-in-the-middle attackers to upload and execute arbitrary files via a crafted certificate.","status":"published","published":"2022-05-17T03:34:12Z","modified":"2023-01-27T05:08:40Z","updated_at":"2026-11-02T14:43:19.500885Z"}],"nvd":[{"id":"CVE-2015-2233","description":"Lenovo System Update (formerly ThinkVantage System Update) before 5.06.0034 does not properly validate CA chains during signature validation, which allows man-in-the-middle attackers to upload and execute arbitrary files via a crafted certificate.","status":"published","published":"2015-05-12T19:59:14.07Z","modified":"2026-06-17T00:23:47.623Z","cvss":[{"version":"2.0","score":8.3,"vector":"AV:A/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-310"],"updated_at":"2026-11-02T14:03:04.095849Z"}]}}