{"id":"CVE-2019-11230","aliases":["EUVD-2019-2929","GHSA-32p2-rghv-w56x"],"status":"published","title":"In Avast Antivirus before 19.4, a local administrator can trick the product into renaming...","description":"In Avast Antivirus before 19.4, a local administrator can trick the product into renaming arbitrary files by replacing the Logs\\Update.log file with a symlink. The next time the product attempts to write to the log file, the target of the symlink is renamed. This defect can be exploited to rename a critical product file (e.g., AvastSvc.exe), causing the product to fail to start on the next system restart.","severity":{"version":"3.0","score":4.4,"vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00543,"percentile":0.45903,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-59"],"published":"2019-07-18T16:50:43Z","modified":"2026-06-17T02:12:35Z","products":[{"vendor":"avast","product":"antivirus"}],"references":[{"url":"http://www.mcerlane.co.uk/CVE-2019-11230/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"http://www.securityfocus.com/bid/109344","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-11230"},{"url":"http://www.mcerlane.co.uk/CVE-2019-11230"},{"url":"https://github.com/advisories/GHSA-32p2-rghv-w56x"}],"sources":{"cve":[{"id":"CVE-2019-11230","description":"In Avast Antivirus before 19.4, a local administrator can trick the product into renaming arbitrary files by replacing the Logs\\Update.log file with a symlink. The next time the product attempts to write to the log file, the target of the symlink is renamed. This defect can be exploited to rename a critical product file (e.g., AvastSvc.exe), causing the product to fail to start on the next system restart.","status":"published","published":"2019-07-18T16:50:43Z","modified":"2024-08-04T22:48:08.99Z","updated_at":"2026-11-02T14:20:26.416173Z"}],"euvd":[{"id":"EUVD-2019-2929","description":"In Avast Antivirus before 19.4, a local administrator can trick the product into renaming arbitrary files by replacing the Logs\\Update.log file with a symlink. The next time the product attempts to write to the log file, the target of the symlink is renamed. This defect can be exploited to rename a critical product file (e.g., AvastSvc.exe), causing the product to fail to start on the next system restart.","status":"published","published":"2019-07-18T16:50:43Z","modified":"2024-08-04T22:48:08Z","updated_at":"2026-11-03T02:40:49.794129Z"}],"ghsa":[{"id":"GHSA-32p2-rghv-w56x","title":"In Avast Antivirus before 19.4, a local administrator can trick the product into renaming...","description":"In Avast Antivirus before 19.4, a local administrator can trick the product into renaming arbitrary files by replacing the Logs\\Update.log file with a symlink. The next time the product attempts to write to the log file, the target of the symlink is renamed. This defect can be exploited to rename a critical product file (e.g., AvastSvc.exe), causing the product to fail to start on the next system restart.","status":"published","published":"2022-05-24T16:50:40Z","modified":"2024-04-04T01:18:35Z","cvss":[{"version":"3.0","score":4.4,"vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:55:57.302483Z"}],"nvd":[{"id":"CVE-2019-11230","description":"In Avast Antivirus before 19.4, a local administrator can trick the product into renaming arbitrary files by replacing the Logs\\Update.log file with a symlink. The next time the product attempts to write to the log file, the target of the symlink is renamed. This defect can be exploited to rename a critical product file (e.g., AvastSvc.exe), causing the product to fail to start on the next system restart.","status":"published","published":"2019-07-18T17:15:11.88Z","modified":"2026-06-17T02:12:35.053Z","cvss":[{"version":"3.0","score":4.4,"vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.6,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:05:20.616405Z"}]}}