{"id":"CVE-2020-35359","aliases":["EUVD-2020-23035","GHSA-w7rv-vxq3-894m","UBUNTU-CVE-2020-35359"],"status":"published","title":"Pure-FTPd 1.0.48 allows remote attackers to prevent legitimate server use by making enough...","description":"Pure-FTPd 1.0.48 allows remote attackers to prevent legitimate server use by making enough connections to exceed the connection limit.","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":"2026-11-09","score":0.04465,"percentile":0.91511,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2020-12-26T04:30:32Z","modified":"2026-10-24T10:30:46Z","exploits":[{"source":"nuclei","id":"CVE-2020-35359","title":"Pure-FTPd 1.0.48 - Denial of Service","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/network/cves/2020/CVE-2020-35359.yaml"}],"affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.36-3.2","1.0.36-3.2build1","1.0.36-3.2+deb8u1build0.16.04.1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.46-1","1.0.46-1build1","1.0.46-1ubuntu18.04.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.47-3build1","1.0.49-1","1.0.49-2","1.0.49-3","1.0.49-4","1.0.49-4ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.49-4.1build1","1.0.50-2","1.0.50-2.1","1.0.50-2.1ubuntu0.22.04.1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.50-2.1build1","1.0.50-2.1ubuntu1","1.0.50-2.2","1.0.50-2.2build1","1.0.50-2.2build2"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.50-2.2build3"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"pure-ftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.50-2.2build3","1.0.50-2.2build4"]}],"products":[{"vendor":"pureftpd","product":"pure-ftpd"}],"references":[{"url":"https://www.exploit-db.com/exploits/49105","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry","evidence","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-35359"},{"url":"https://github.com/advisories/GHSA-w7rv-vxq3-894m"},{"url":"https://ubuntu.com/security/CVE-2020-35359","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-35359","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-35359","description":"Pure-FTPd 1.0.48 allows remote attackers to prevent legitimate server use by making enough connections to exceed the connection limit.","status":"published","published":"2020-12-26T04:30:32Z","modified":"2024-08-04T17:02:07.906Z","updated_at":"2026-11-02T14:35:57.975444Z"}],"euvd":[{"id":"EUVD-2020-23035","description":"Pure-FTPd 1.0.48 allows remote attackers to prevent legitimate server use by making enough connections to exceed the connection limit.","status":"published","published":"2020-12-26T04:30:32Z","modified":"2024-08-04T17:02:07Z","updated_at":"2026-11-03T03:07:06.885366Z"}],"ghsa":[{"id":"GHSA-w7rv-vxq3-894m","title":"Pure-FTPd 1.0.48 allows remote attackers to prevent legitimate server use by making enough...","description":"Pure-FTPd 1.0.48 allows remote attackers to prevent legitimate server use by making enough connections to exceed the connection limit.","status":"published","published":"2022-05-24T17:37:21Z","modified":"2023-01-29T05:05:10Z","cwes":["CWE-770"],"updated_at":"2026-11-02T14:45:43.481618Z"}],"nvd":[{"id":"CVE-2020-35359","description":"Pure-FTPd 1.0.48 allows remote attackers to prevent legitimate server use by making enough connections to exceed the connection limit.","status":"published","published":"2020-12-26T05:15:11.31Z","modified":"2026-06-17T03:13:40.353Z","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-770"],"updated_at":"2026-11-02T14:06:28.340168Z"}],"osv":[{"id":"CVE-2020-35359","description":"Pure-FTPd 1.0.48 allows remote attackers to prevent legitimate server use by making enough connections to exceed the connection limit.","status":"published","published":"2020-12-26T05:15:11.31Z","modified":"2026-10-24T10:30:46.809343674Z","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"}],"updated_at":"2026-11-02T15:44:16.612899Z"},{"id":"UBUNTU-CVE-2020-35359","description":"Pure-FTPd 1.0.48 allows remote attackers to prevent legitimate server use by making enough connections to exceed the connection limit.","status":"published","published":"2020-12-26T05:15:00Z","modified":"2026-05-20T16:04:26.302136567Z","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"}],"updated_at":"2026-11-02T15:54:24.541803Z"}]}}