{"id":"CVE-2021-26735","aliases":["EUVD-2021-13522","GHSA-j8g4-qgjp-w2g8"],"status":"published","title":"Untrusted Search Path While Executing REG DELETE by Uninstaller","description":"The Zscaler Client Connector Installer and Unsintallers for Windows prior to 3.6 had an unquoted search path vulnerability. A local adversary may be able to execute code with SYSTEM privileges.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00136,"percentile":0.03078,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-346","CWE-428"],"published":"2023-10-23T13:19:35Z","modified":"2026-06-17T03:43:45Z","products":[{"vendor":"zscaler","product":"client connector"},{"vendor":"zscaler","product":"client_connector"}],"references":[{"url":"https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021","tags":["x_transferred","Release Notes"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26735"},{"url":"https://github.com/advisories/GHSA-j8g4-qgjp-w2g8"}],"sources":{"cve":[{"id":"CVE-2021-26735","title":"Untrusted Search Path While Executing REG DELETE by Uninstaller","description":"The Zscaler Client Connector Installer and Unsintallers for Windows prior to 3.6 had an unquoted search path vulnerability. A local adversary may be able to execute code with SYSTEM privileges.\n\n\n\n\n\n","status":"published","published":"2023-10-23T13:19:35.867Z","modified":"2025-02-27T20:40:16.229Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-346"],"updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-13522","description":"The Zscaler Client Connector Installer and Unsintallers for Windows prior to 3.6 had an unquoted search path vulnerability. A local adversary may be able to execute code with SYSTEM privileges.\n\n\n\n\n\n","status":"published","published":"2023-10-23T13:19:35Z","modified":"2025-02-27T20:40:16Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T20:53:21.469581Z"}],"ghsa":[{"id":"GHSA-j8g4-qgjp-w2g8","title":"The Zscaler Client Connector Installer and Unsintallers for Windows prior to 3.6 had an unquoted...","description":"The Zscaler Client Connector Installer and Unsintallers for Windows prior to 3.6 had an unquoted search path vulnerability. A local adversary may be able to execute code with SYSTEM privileges.\n\n\n\n\n\n","status":"published","published":"2023-10-23T15:30:24Z","modified":"2024-04-04T08:52:57Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-346","CWE-428"],"updated_at":"2026-11-02T14:57:02.541362Z"}],"nvd":[{"id":"CVE-2021-26735","description":"The Zscaler Client Connector Installer and Unsintallers for Windows prior to 3.6 had an unquoted search path vulnerability. A local adversary may be able to execute code with SYSTEM privileges.\n\n\n\n\n\n","status":"published","published":"2023-10-23T14:15:09Z","modified":"2026-06-17T03:43:45.09Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-346","CWE-428"],"updated_at":"2026-11-02T14:07:07.764332Z"}]}}