{"id":"CVE-2021-26738","aliases":["EUVD-2021-13525","GHSA-cr8h-8gv8-gxxv"],"status":"published","title":"Privilege Escalation for ZCC macOS via PATH Variable","description":"Zscaler Client Connector for macOS prior to 3.7 had an unquoted search path vulnerability via the PATH variable. A local adversary may be able to execute code with root privileges.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00232,"percentile":0.14256,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-426"],"published":"2023-10-23T13:24:49Z","modified":"2026-06-17T03:43:45Z","products":[{"vendor":"zscaler","product":"client connector"},{"vendor":"zscaler","product":"client_connector"}],"references":[{"url":"https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=macOS\u0026applicable_version=3.7\u0026deployment_date=2022-08-19\u0026id=1414851","tags":["x_transferred","Release Notes"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26738"},{"url":"https://github.com/advisories/GHSA-cr8h-8gv8-gxxv"}],"sources":{"cve":[{"id":"CVE-2021-26738","title":"Privilege Escalation for ZCC macOS via PATH Variable","description":"Zscaler Client Connector for macOS prior to 3.7 had an unquoted search path vulnerability via the PATH variable. A local adversary may be able to execute code with root privileges.\n\n\n","status":"published","published":"2023-10-23T13:24:49.584Z","modified":"2025-02-27T20:40:03.972Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-426"],"updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-13525","description":"Zscaler Client Connector for macOS prior to 3.7 had an unquoted search path vulnerability via the PATH variable. A local adversary may be able to execute code with root privileges.\n\n\n","status":"published","published":"2023-10-23T13:24:49Z","modified":"2025-02-27T20:40:03Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:53:21.469581Z"}],"ghsa":[{"id":"GHSA-cr8h-8gv8-gxxv","title":"Zscaler Client Connector for macOS prior to 3.7 had an unquoted search path vulnerability via the...","description":"Zscaler Client Connector for macOS prior to 3.7 had an unquoted search path vulnerability via the PATH variable. A local adversary may be able to execute code with root privileges.\n\n\n","status":"published","published":"2023-10-23T15:30:24Z","modified":"2024-04-04T08:52:57Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-426"],"updated_at":"2026-11-02T14:57:02.541362Z"}],"nvd":[{"id":"CVE-2021-26738","description":"Zscaler Client Connector for macOS prior to 3.7 had an unquoted search path vulnerability via the PATH variable. A local adversary may be able to execute code with root privileges.\n\n\n","status":"published","published":"2023-10-23T14:15:09.187Z","modified":"2026-06-17T03:43:45.433Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-426"],"updated_at":"2026-11-02T14:07:07.764332Z"}]}}