{"id":"CVE-2013-4100","aliases":["EUVD-2013-4031","GHSA-r75p-3r7g-wv56"],"status":"published","title":"Cryptocat before 2.0.22 has Remote Denial of Service via username","description":"Cryptocat before 2.0.22 has Remote Denial of Service via username","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":"2026-11-07","score":0.02357,"percentile":0.83851,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2019-11-04T14:55:58Z","modified":"2026-06-16T23:56:37Z","products":[{"vendor":"cryptocat_project","product":"cryptocat"}],"references":[{"url":"https://www.openwall.com/lists/oss-security/2013/07/10/15","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory"]},{"url":"https://tobtu.com/decryptocat.php","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"https://vuldb.com/?id.9439","tags":["x_refsource_MISC","x_transferred","Permissions Required"]},{"url":"https://www.securityfocus.com/bid/61094","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-4100"},{"url":"https://github.com/advisories/GHSA-r75p-3r7g-wv56"}],"sources":{"cve":[{"id":"CVE-2013-4100","description":"Cryptocat before 2.0.22 has Remote Denial of Service via username","status":"published","published":"2019-11-04T14:55:58Z","modified":"2024-08-06T16:30:50.083Z","updated_at":"2026-11-02T14:34:57.869657Z"}],"euvd":[{"id":"EUVD-2013-4031","description":"Cryptocat before 2.0.22 has Remote Denial of Service via username","status":"published","published":"2019-11-04T14:55:58Z","modified":"2024-08-06T16:30:50Z","updated_at":"2026-11-03T01:56:33.227006Z"}],"ghsa":[{"id":"GHSA-r75p-3r7g-wv56","title":"Cryptocat before 2.0.22 has Remote Denial of Service via username","description":"Cryptocat before 2.0.22 has Remote Denial of Service via username","status":"published","published":"2022-05-05T00:28:59Z","modified":"2024-04-11T21:18:07Z","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"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:57:09.764736Z"}],"nvd":[{"id":"CVE-2013-4100","description":"Cryptocat before 2.0.22 has Remote Denial of Service via username","status":"published","published":"2019-11-04T15:15:10.803Z","modified":"2026-06-16T23:56:37.53Z","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-20"],"updated_at":"2026-11-02T14:02:52.545039Z"}]}}