{"cve":{"cve_id":"CVE-2019-18217","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.19507,"epss_percentile":0.9702,"epss_as_of":"2026-06-23","description":"ProFTPD before 1.3.6b and 1.3.7rc before 1.3.7rc2 allows remote unauthenticated denial-of-service due to incorrect handling of overly long commands because main.c in a child process enters an infinite loop.","published_at":"2019-10-21T03:12:31Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":null,"nvd_references":["https://github.com/proftpd/proftpd/issues/846","https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES","https://github.com/proftpd/proftpd/blob/1.3.6/RELEASE_NOTES","https://github.com/proftpd/proftpd/blob/master/NEWS","https://github.com/proftpd/proftpd/blob/1.3.6/NEWS","https://lists.debian.org/debian-lts-announce/2019/10/msg00036.html","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJDQRVZTILBX4BUCTIRKP2WBHDHDCJR5/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YLRPYEEMQJVAXO2SXRGOQ4HBFEEPCNXG/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RB2FPAWDWXT5ALAFIC5Y3RSEMXSFL6H2/","https://seclists.org/bugtraq/2019/Nov/7","https://www.debian.org/security/2019/dsa-4559","http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html","https://cert-portal.siemens.com/productcert/pdf/ssa-940889.pdf","https://security.gentoo.org/glsa/202003-35"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:12:24.790807Z"},"effective_severity":null,"badges":["poc"],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[],"exploit_refs":[{"source":"nuclei","kind":"nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/network/cves/2019/CVE-2019-18217.yaml","title":"ProFTPD < 1.3.6b - Remote Unauthenticated DoS","author":"pussycat0x","disclosed_at":null}],"news":[],"references":[{"url":"https://github.com/proftpd/proftpd/issues/846","source_type":"MISC","tags":[]},{"url":"https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES","source_type":"MISC","tags":[]},{"url":"https://github.com/proftpd/proftpd/blob/1.3.6/RELEASE_NOTES","source_type":"MISC","tags":[]},{"url":"https://github.com/proftpd/proftpd/blob/master/NEWS","source_type":"MISC","tags":[]},{"url":"https://github.com/proftpd/proftpd/blob/1.3.6/NEWS","source_type":"MISC","tags":[]},{"url":"https://lists.debian.org/debian-lts-announce/2019/10/msg00036.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJDQRVZTILBX4BUCTIRKP2WBHDHDCJR5/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YLRPYEEMQJVAXO2SXRGOQ4HBFEEPCNXG/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RB2FPAWDWXT5ALAFIC5Y3RSEMXSFL6H2/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://seclists.org/bugtraq/2019/Nov/7","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://www.debian.org/security/2019/dsa-4559","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-940889.pdf","source_type":"MISC","tags":[]},{"url":"https://security.gentoo.org/glsa/202003-35","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2019-10-21T03:12:31Z","label":"CVE published","source":null},{"type":"poc_available","at":"2026-06-24T00:29:48.638073Z","label":"Public PoC available","source":"nuclei"}]}