{"id":"CVE-2023-1900","aliases":["EUVD-2023-24089","GHSA-8c47-529w-9h8f"],"status":"published","title":"A vulnerability within the Avira network protection feature allowed an attacker with local...","description":"A vulnerability within the Avira network protection feature allowed an attacker with local execution rights to cause an overflow. This could corrupt the data on the heap and lead to a denial-of-service situation. \nIssue was fixed with Endpointprotection.exe version 1.0.2303.633","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":"2026-11-08","score":0.00299,"percentile":0.22697,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2023-04-19T18:47:17Z","modified":"2026-06-17T05:28:59Z","products":[{"vendor":"avira","product":"antivirus"},{"vendor":"avira","product":"avira antivirus"}],"references":[{"url":"https://support.norton.com/sp/static/external/tools/security-advisories.html","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-1900"},{"url":"https://github.com/advisories/GHSA-8c47-529w-9h8f"}],"sources":{"cve":[{"id":"CVE-2023-1900","description":"A vulnerability within the Avira network protection feature allowed an attacker with local execution rights to cause an overflow. This could corrupt the data on the heap and lead to a denial-of-service situation. \nIssue was fixed with Endpointprotection.exe version 1.0.2303.633","status":"published","published":"2023-04-19T18:47:17.392Z","modified":"2025-02-05T14:48:09.14Z","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"},{"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":"adp"}],"cwes":["CWE-190","CWE-190"],"updated_at":"2026-11-02T14:35:32.376766Z"}],"euvd":[{"id":"EUVD-2023-24089","description":"A vulnerability within the Avira network protection feature allowed an attacker with local execution rights to cause an overflow. This could corrupt the data on the heap and lead to a denial-of-service situation. \nIssue was fixed with Endpointprotection.exe version 1.0.2303.633","status":"published","published":"2023-04-19T18:47:17Z","modified":"2025-02-05T14:48:09Z","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":"2026-11-03T00:04:05.565654Z"}],"ghsa":[{"id":"GHSA-8c47-529w-9h8f","title":"A vulnerability within the Avira network protection feature allowed an attacker with local...","description":"A vulnerability within the Avira network protection feature allowed an attacker with local execution rights to cause an overflow. This could corrupt the data on the heap and lead to a denial-of-service situation. \nIssue was fixed with Endpointprotection.exe version 1.0.2303.633","status":"published","published":"2023-04-19T21:30:26Z","modified":"2024-04-04T03:35:24Z","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-190"],"updated_at":"2026-11-02T14:56:16.439649Z"}],"nvd":[{"id":"CVE-2023-1900","description":"A vulnerability within the Avira network protection feature allowed an attacker with local execution rights to cause an overflow. This could corrupt the data on the heap and lead to a denial-of-service situation. \nIssue was fixed with Endpointprotection.exe version 1.0.2303.633","status":"published","published":"2023-04-19T19:15:07.19Z","modified":"2026-06-17T05:28:59.58Z","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":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":"3.1","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":"secondary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:07:56.683259Z"}]}}