{"id":"CVE-2020-10860","aliases":["EUVD-2020-3266","GHSA-r7fx-gm26-7pfr"],"status":"published","title":"An issue was discovered in Avast Antivirus before 20. An Arbitrary Memory Address Overwrite...","description":"An issue was discovered in Avast Antivirus before 20. An Arbitrary Memory Address Overwrite vulnerability in the aswAvLog Log Library results in Denial of Service of the Avast Service (AvastSvc.exe).","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02084,"percentile":0.81718,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2020-04-01T16:49:27Z","modified":"2026-06-17T02:48:34Z","products":[{"vendor":"avast","product":"antivirus"}],"references":[{"url":"https://forum.avast.com/index.php?topic=232420.0","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://forum.avast.com/index.php?topic=232423.0","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-10860"},{"url":"https://github.com/advisories/GHSA-r7fx-gm26-7pfr"}],"sources":{"cve":[{"id":"CVE-2020-10860","description":"An issue was discovered in Avast Antivirus before 20. An Arbitrary Memory Address Overwrite vulnerability in the aswAvLog Log Library results in Denial of Service of the Avast Service (AvastSvc.exe).","status":"published","published":"2020-04-01T16:49:27Z","modified":"2024-08-04T11:14:15.672Z","updated_at":"2026-11-02T14:35:48.213211Z"}],"euvd":[{"id":"EUVD-2020-3266","description":"An issue was discovered in Avast Antivirus before 20. An Arbitrary Memory Address Overwrite vulnerability in the aswAvLog Log Library results in Denial of Service of the Avast Service (AvastSvc.exe).","status":"published","published":"2020-04-01T16:49:27Z","modified":"2024-08-04T11:14:15Z","updated_at":"2026-11-03T03:07:48.918317Z"}],"ghsa":[{"id":"GHSA-r7fx-gm26-7pfr","title":"An issue was discovered in Avast Antivirus before 20. An Arbitrary Memory Address Overwrite...","description":"An issue was discovered in Avast Antivirus before 20. An Arbitrary Memory Address Overwrite vulnerability in the aswAvLog Log Library results in Denial of Service of the Avast Service (AvastSvc.exe).","status":"published","published":"2022-05-24T17:13:02Z","modified":"2023-01-29T05:01:55Z","updated_at":"2026-11-02T14:44:56.825456Z"}],"nvd":[{"id":"CVE-2020-10860","description":"An issue was discovered in Avast Antivirus before 20. An Arbitrary Memory Address Overwrite vulnerability in the aswAvLog Log Library results in Denial of Service of the Avast Service (AvastSvc.exe).","status":"published","published":"2020-04-01T17:15:15.813Z","modified":"2026-06-17T02:48:34.437Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:05:57.678762Z"}]}}