{"id":"CVE-2021-47752","aliases":["EUVD-2026-2786","GHSA-hw2r-j4x3-h8j6"],"status":"published","title":"AWebServer GhostBuilding 18 - Denial of Service (DoS)","description":"AWebServer GhostBuilding 18 contains a denial of service vulnerability that allows remote attackers to overwhelm the server by sending multiple concurrent HTTP requests. Attackers can generate high-volume requests to multiple endpoints including /mysqladmin to potentially crash or render the service unresponsive.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00584,"percentile":0.48235,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2026-01-15T15:52:02Z","modified":"2026-06-17T04:18:25Z","products":[{"vendor":"sylkat-tools","product":"awebserver"},{"vendor":"sylkat-tools","product":"awebserver ghostbuilding"}],"references":[{"url":"https://www.exploit-db.com/exploits/50629","tags":["exploit","Exploit"]},{"url":"http://sylkat-tools.rf.gd/awebserver.htm","tags":["product","Product"]},{"url":"https://play.google.com/store/apps/details?id=com.sylkat.apache\u0026hl=en","tags":["product","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47752"},{"url":"https://github.com/advisories/GHSA-hw2r-j4x3-h8j6"}],"sources":{"cve":[{"id":"CVE-2021-47752","title":"AWebServer GhostBuilding 18 - Denial of Service (DoS)","description":"AWebServer GhostBuilding 18 contains a denial of service vulnerability that allows remote attackers to overwhelm the server by sending multiple concurrent HTTP requests. Attackers can generate high-volume requests to multiple endpoints including /mysqladmin to potentially crash or render the service unresponsive.","status":"published","published":"2026-01-15T15:52:02.828Z","modified":"2026-04-07T14:05:55.651Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"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":"cna"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:32:55.905855Z"}],"euvd":[{"id":"EUVD-2026-2786","description":"AWebServer GhostBuilding 18 contains a denial of service vulnerability that allows remote attackers to overwhelm the server by sending multiple concurrent HTTP requests. Attackers can generate high-volume requests to multiple endpoints including /mysqladmin to potentially crash or render the service unresponsive.","status":"published","published":"2026-01-15T15:52:02Z","modified":"2026-04-07T14:05:55Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:25:13.718727Z"}],"ghsa":[{"id":"GHSA-hw2r-j4x3-h8j6","title":"AWebServer GhostBuilding 18 contains a denial of service vulnerability that allows remote...","description":"AWebServer GhostBuilding 18 contains a denial of service vulnerability that allows remote attackers to overwhelm the server by sending multiple concurrent HTTP requests. Attackers can generate high-volume requests to multiple endpoints including /mysqladmin to potentially crash or render the service unresponsive.","status":"published","published":"2026-01-15T18:31:28Z","modified":"2026-01-15T18:31:35Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"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"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:05:37.551338Z"}],"nvd":[{"id":"CVE-2021-47752","description":"AWebServer GhostBuilding 18 contains a denial of service vulnerability that allows remote attackers to overwhelm the server by sending multiple concurrent HTTP requests. Attackers can generate high-volume requests to multiple endpoints including /mysqladmin to potentially crash or render the service unresponsive.","status":"published","published":"2026-01-15T16:16:05.71Z","modified":"2026-06-17T04:18:25.353Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"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":"secondary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:07:09.005706Z"}]}}