{"id":"CVE-2019-25613","aliases":["EUVD-2019-19967","GHSA-phg5-3h7x-599v"],"status":"published","title":"Easy Chat Server 3.1 Denial of Service via message Parameter","description":"Easy Chat Server 3.1 contains a denial of service vulnerability that allows remote attackers to crash the application by sending oversized data in the message parameter. Attackers can establish a session via the chat.ghp endpoint and then send a POST request to body2.ghp with an excessively large message parameter value to cause the service to crash.","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":"2026-11-09","score":0.00538,"percentile":0.45597,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-940"],"published":"2026-03-22T13:38:46Z","modified":"2026-06-17T02:32:47Z","products":[{"vendor":"echatserver","product":"easy chat"},{"vendor":"echatserver","product":"easy_chat_server"}],"references":[{"url":"https://www.exploit-db.com/exploits/46806","tags":["exploit","Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://www.echatserver.com","tags":["product","Broken Link"]},{"url":"http://www.echatserver.com/ecssetup.exe","tags":["product","Broken Link"]},{"url":"https://www.vulncheck.com/advisories/easy-chat-server-denial-of-service-via-message-parameter","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-25613"},{"url":"https://github.com/advisories/GHSA-phg5-3h7x-599v"}],"sources":{"cve":[{"id":"CVE-2019-25613","title":"Easy Chat Server 3.1 Denial of Service via message Parameter","description":"Easy Chat Server 3.1 contains a denial of service vulnerability that allows remote attackers to crash the application by sending oversized data in the message parameter. Attackers can establish a session via the chat.ghp endpoint and then send a POST request to body2.ghp with an excessively large message parameter value to cause the service to crash.","status":"published","published":"2026-03-22T13:38:46.199Z","modified":"2026-03-23T16:15:54.636Z","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-940"],"updated_at":"2026-11-02T14:20:19.737165Z"}],"euvd":[{"id":"EUVD-2019-19967","description":"Easy Chat Server 3.1 contains a denial of service vulnerability that allows remote attackers to crash the application by sending oversized data in the message parameter. Attackers can establish a session via the chat.ghp endpoint and then send a POST request to body2.ghp with an excessively large message parameter value to cause the service to crash.","status":"published","published":"2026-03-22T13:38:46Z","modified":"2026-03-23T16:15:54Z","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":"2026-11-02T19:25:31.168902Z"}],"ghsa":[{"id":"GHSA-phg5-3h7x-599v","title":"Easy Chat Server 3.1 contains a denial of service vulnerability that allows remote attackers to...","description":"Easy Chat Server 3.1 contains a denial of service vulnerability that allows remote attackers to crash the application by sending oversized data in the message parameter. Attackers can establish a session via the chat.ghp endpoint and then send a POST request to body2.ghp with an excessively large message parameter value to cause the service to crash.","status":"published","published":"2026-03-22T15:31:28Z","modified":"2026-03-22T15:31:34Z","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"},{"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"}],"cwes":["CWE-940"],"updated_at":"2026-11-02T15:06:47.173687Z"}],"nvd":[{"id":"CVE-2019-25613","description":"Easy Chat Server 3.1 contains a denial of service vulnerability that allows remote attackers to crash the application by sending oversized data in the message parameter. Attackers can establish a session via the chat.ghp endpoint and then send a POST request to body2.ghp with an excessively large message parameter value to cause the service to crash.","status":"published","published":"2026-03-22T14:16:29.74Z","modified":"2026-06-17T02:32:47.78Z","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-940"],"updated_at":"2026-11-02T14:05:49.934131Z"}]}}