{"id":"CVE-2020-15956","aliases":["EUVD-2020-7927","GHSA-fc79-vjq3-f6j4"],"status":"published","title":"ActiveMediaServer.exe in ACTi NVR3 Standard Server 3.0.12.42 allows remote unauthenticated...","description":"ActiveMediaServer.exe in ACTi NVR3 Standard Server 3.0.12.42 allows remote unauthenticated attackers to trigger a buffer overflow and application termination via a malformed payload.","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":"2026-11-12","score":0.16158,"percentile":0.96977,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-120"],"published":"2020-08-04T19:03:35Z","modified":"2026-06-17T02:57:29Z","exploits":[{"source":"pocgithub","id":"megamagnus/cve-2020-15956","title":"megamagnus/cve-2020-15956","date":"2020-08-04","url":"https://github.com/megamagnus/cve-2020-15956"},{"source":"exploitdb","id":"EDB-48731","title":"ACTi NVR3 Standard or Professional Server 3.0.12.42 - Denial of Service (PoC)","type":"dos","platform":"windows","date":"2020-08-05","url":"https://www.exploit-db.com/exploits/48731"}],"products":[{"vendor":"acti","product":"nvr"}],"references":[{"url":"https://www2.acti.com/nvr3","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://github.com/megamagnus/cve-2020-15956","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/158771/ACTi-NVR3-Standard-Professional-Server-3.0.12.42-Denial-Of-Service.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15956"},{"url":"https://github.com/advisories/GHSA-fc79-vjq3-f6j4"}],"sources":{"cve":[{"id":"CVE-2020-15956","description":"ActiveMediaServer.exe in ACTi NVR3 Standard Server 3.0.12.42 allows remote unauthenticated attackers to trigger a buffer overflow and application termination via a malformed payload.","status":"published","published":"2020-08-04T19:03:35Z","modified":"2024-08-04T13:30:23.526Z","updated_at":"2026-11-02T14:35:49.879248Z"}],"euvd":[{"id":"EUVD-2020-7927","description":"ActiveMediaServer.exe in ACTi NVR3 Standard Server 3.0.12.42 allows remote unauthenticated attackers to trigger a buffer overflow and application termination via a malformed payload.","status":"published","published":"2020-08-04T19:03:35Z","modified":"2024-08-04T13:30:23Z","updated_at":"2026-11-03T03:07:29.843843Z"}],"ghsa":[{"id":"GHSA-fc79-vjq3-f6j4","title":"ActiveMediaServer.exe in ACTi NVR3 Standard Server 3.0.12.42 allows remote unauthenticated...","description":"ActiveMediaServer.exe in ACTi NVR3 Standard Server 3.0.12.42 allows remote unauthenticated attackers to trigger a buffer overflow and application termination via a malformed payload.","status":"published","published":"2022-05-24T17:24:55Z","modified":"2023-01-29T05:03:39Z","updated_at":"2026-11-02T14:45:22.292804Z"}],"nvd":[{"id":"CVE-2020-15956","description":"ActiveMediaServer.exe in ACTi NVR3 Standard Server 3.0.12.42 allows remote unauthenticated attackers to trigger a buffer overflow and application termination via a malformed payload.","status":"published","published":"2020-08-04T20:15:12.29Z","modified":"2026-06-17T02:57:29.343Z","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-120"],"updated_at":"2026-11-02T14:06:10.994748Z"}]}}