{"id":"CVE-2026-59570","aliases":["EUVD-2026-77540","GHSA-cj79-f7p8-r2fv"],"status":"published","title":"Android ZCC denial of service","description":"On affected versions of Zscaler client connector, a pre-installed peer app can tear down the Zscaler tunnel, force user logout, and toggle packet capture.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00132,"percentile":0.028,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2026-09-14T14:47:13Z","modified":"2026-09-18T19:08:02Z","products":[{"vendor":"zscaler","product":"client connector"}],"references":[{"url":"https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2026"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59570"},{"url":"https://github.com/advisories/GHSA-cj79-f7p8-r2fv"}],"sources":{"cve":[{"id":"CVE-2026-59570","title":"Android ZCC denial of service","description":"On affected versions of Zscaler client connector, a pre-installed peer app can tear down the Zscaler tunnel, force user logout, and toggle packet capture.","status":"published","published":"2026-09-14T14:47:13.914Z","modified":"2026-09-14T15:32:24.258Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:19:58.560602Z"}],"euvd":[{"id":"EUVD-2026-77540","description":"On affected versions of Zscaler client connector, a pre-installed peer app can tear down the Zscaler tunnel, force user logout, and toggle packet capture.","status":"published","published":"2026-09-14T14:47:13Z","modified":"2026-09-14T15:32:24Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:28:20.426868Z"}],"ghsa":[{"id":"GHSA-cj79-f7p8-r2fv","title":"On affected versions of Zscaler client connector, a pre-installed peer app can tear down the...","description":"On affected versions of Zscaler client connector, a pre-installed peer app can tear down the Zscaler tunnel, force user logout, and toggle packet capture.","status":"published","published":"2026-09-14T15:32:48Z","modified":"2026-09-14T15:32:56Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:11:50.762382Z"}],"nvd":[{"id":"CVE-2026-59570","description":"On affected versions of Zscaler client connector, a pre-installed peer app can tear down the Zscaler tunnel, force user logout, and toggle packet capture.","status":"published","published":"2026-09-14T15:17:06.72Z","modified":"2026-09-18T19:08:02.707Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:12:46.980627Z"}]}}