{"id":"CVE-2024-7228","aliases":["EUVD-2024-48833","GHSA-3hqr-6848-jx5j"],"status":"published","title":"Avast Free Antivirus Link Following Denial-of-Service Vulnerability","description":"Avast Free Antivirus Link Following Denial-of-Service Vulnerability. This vulnerability allows local attackers to create a denial-of-service condition on affected installations of Avast Free Antivirus. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.\n\nThe specific flaw exists within the Avast Service. By creating a symbolic link, an attacker can abuse the service to create a folder. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-22806.","severity":{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00306,"percentile":0.23528,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-59"],"published":"2024-11-22T21:11:37Z","modified":"2026-06-17T08:19:39Z","products":[{"vendor":"avast","product":"free antivirus"},{"vendor":"avast","product":"free_antivirus"}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-24-999/","tags":["x_research-advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-7228"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-24-999"},{"url":"https://github.com/advisories/GHSA-3hqr-6848-jx5j"}],"sources":{"cve":[{"id":"CVE-2024-7228","title":"Avast Free Antivirus Link Following Denial-of-Service Vulnerability","description":"Avast Free Antivirus Link Following Denial-of-Service Vulnerability. This vulnerability allows local attackers to create a denial-of-service condition on affected installations of Avast Free Antivirus. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.\n\nThe specific flaw exists within the Avast Service. By creating a symbolic link, an attacker can abuse the service to create a folder. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-22806.","status":"published","published":"2024-11-22T21:11:37.314Z","modified":"2024-11-23T01:26:25.282Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:34:21.025267Z"}],"euvd":[{"id":"EUVD-2024-48833","description":"Avast Free Antivirus Link Following Denial-of-Service Vulnerability. This vulnerability allows local attackers to create a denial-of-service condition on affected installations of Avast Free Antivirus. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.\n\nThe specific flaw exists within the Avast Service. By creating a symbolic link, an attacker can abuse the service to create a folder. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-22806.","status":"published","published":"2024-11-22T21:11:37Z","modified":"2024-11-23T01:26:25Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"medium"}],"updated_at":"2026-11-03T00:04:49.727757Z"}],"ghsa":[{"id":"GHSA-3hqr-6848-jx5j","title":"Avast Free Antivirus Link Following Denial-of-Service Vulnerability. This vulnerability allows...","description":"Avast Free Antivirus Link Following Denial-of-Service Vulnerability. This vulnerability allows local attackers to create a denial-of-service condition on affected installations of Avast Free Antivirus. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.\n\nThe specific flaw exists within the Avast Service. By creating a symbolic link, an attacker can abuse the service to create a folder. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-22806.","status":"published","published":"2024-11-23T03:31:58Z","modified":"2024-11-23T03:31:58Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"medium"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:58:55.838936Z"}],"nvd":[{"id":"CVE-2024-7228","description":"Avast Free Antivirus Link Following Denial-of-Service Vulnerability. This vulnerability allows local attackers to create a denial-of-service condition on affected installations of Avast Free Antivirus. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.\n\nThe specific flaw exists within the Avast Service. By creating a symbolic link, an attacker can abuse the service to create a folder. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-22806.","status":"published","published":"2024-11-22T22:15:15.417Z","modified":"2026-06-17T08:19:39.89Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:10:38.347238Z"}]}}