{"api_version":"1","generated_at":"2026-04-24T14:07:13+00:00","cve":"CVE-2020-13432","urls":{"html":"https://cve.report/CVE-2020-13432","api":"https://cve.report/api/cve/CVE-2020-13432.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-13432","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-13432"},"summary":{"title":"CVE-2020-13432","description":"rejetto HFS (aka HTTP File Server) v2.3m Build #300, when virtual files or folders are used, allows remote attackers to trigger an invalid-pointer write access violation via concurrent HTTP requests with a long URI or long HTTP headers.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2020-06-08 18:15:00","updated_at":"2021-04-06 13:15:00"},"problem_types":["CWE-120"],"metrics":[],"references":[{"url":"http://seclists.org/fulldisclosure/2021/Apr/12","name":"20210406 Trojan.Win32.Sharer.h / Known Vulnerable Component - Heap Corruption","refsource":"FULLDISC","tags":[],"title":"Full Disclosure: Trojan.Win32.Sharer.h / Known Vulnerable Component - Heap\tCorruption","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.rejetto.com/hfs/?f=wn","name":"https://www.rejetto.com/hfs/?f=wn","refsource":"MISC","tags":["Release Notes","Vendor Advisory"],"title":"HFS - Http File Server","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://packetstormsecurity.com/files/157980/HFS-Http-File-Server-2.3m-Build-300-Buffer-Overflow.html","name":"http://packetstormsecurity.com/files/157980/HFS-Http-File-Server-2.3m-Build-300-Buffer-Overflow.html","refsource":"MISC","tags":["Exploit","Third Party Advisory","VDB Entry"],"title":"HFS Http File Server 2.3m Build 300 Buffer Overflow ≈ Packet Storm","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://packetstormsecurity.com/files/157980/HFS-Http-File-Server-2.3m-Build-300-Buffer-Overflow.html","name":"https://packetstormsecurity.com/files/157980/HFS-Http-File-Server-2.3m-Build-300-Buffer-Overflow.html","refsource":"MISC","tags":["Exploit","Third Party Advisory","VDB Entry"],"title":"HFS Http File Server 2.3m Build 300 Buffer Overflow ≈ Packet Storm","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://seclists.org/fulldisclosure/2020/Jun/13","name":"20200609 CVE-2020-13432 - HFS HTTP File Server / Remote Buffer Overflow DoS","refsource":"FULLDISC","tags":["Exploit","Mailing List","Third Party Advisory"],"title":"Full Disclosure: CVE-2020-13432 - HFS HTTP File Server / Remote Buffer Overflow\tDoS","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://hyp3rlinx.altervista.org/advisories/HFS-HTTP-FILE-SERVER-v2.3-REMOTE-BUFFER-OVERFLOW-DoS.txt","name":"http://hyp3rlinx.altervista.org/advisories/HFS-HTTP-FILE-SERVER-v2.3-REMOTE-BUFFER-OVERFLOW-DoS.txt","refsource":"MISC","tags":["Exploit","Third Party Advisory"],"title":"","mime":"text/x-python","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/rejetto/hfs2/commit/b8ebfc4e22948e1a61506cd66e397b61ea5ea5de","name":"https://github.com/rejetto/hfs2/commit/b8ebfc4e22948e1a61506cd66e397b61ea5ea5de","refsource":"MISC","tags":["Patch","Third Party Advisory"],"title":"limit URL parameters to 1000 characters · rejetto/hfs2@b8ebfc4 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-13432","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-13432","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"13432","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"rejetto","cpe5":"http_file_server","cpe6":"2.3m","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"13432","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"rejetto","cpe5":"http_file_server","cpe6":"2.3m","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2020-13432","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"rejetto HFS (aka HTTP File Server) v2.3m Build #300, when virtual files or folders are used, allows remote attackers to trigger an invalid-pointer write access violation via concurrent HTTP requests with a long URI or long HTTP headers."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://www.rejetto.com/hfs/?f=wn","refsource":"MISC","name":"https://www.rejetto.com/hfs/?f=wn"},{"url":"https://github.com/rejetto/hfs2/commit/b8ebfc4e22948e1a61506cd66e397b61ea5ea5de","refsource":"MISC","name":"https://github.com/rejetto/hfs2/commit/b8ebfc4e22948e1a61506cd66e397b61ea5ea5de"},{"refsource":"MISC","name":"http://packetstormsecurity.com/files/157980/HFS-Http-File-Server-2.3m-Build-300-Buffer-Overflow.html","url":"http://packetstormsecurity.com/files/157980/HFS-Http-File-Server-2.3m-Build-300-Buffer-Overflow.html"},{"refsource":"MISC","name":"http://hyp3rlinx.altervista.org/advisories/HFS-HTTP-FILE-SERVER-v2.3-REMOTE-BUFFER-OVERFLOW-DoS.txt","url":"http://hyp3rlinx.altervista.org/advisories/HFS-HTTP-FILE-SERVER-v2.3-REMOTE-BUFFER-OVERFLOW-DoS.txt"},{"refsource":"MISC","name":"https://packetstormsecurity.com/files/157980/HFS-Http-File-Server-2.3m-Build-300-Buffer-Overflow.html","url":"https://packetstormsecurity.com/files/157980/HFS-Http-File-Server-2.3m-Build-300-Buffer-Overflow.html"},{"refsource":"FULLDISC","name":"20200609 CVE-2020-13432 - HFS HTTP File Server / Remote Buffer Overflow DoS","url":"http://seclists.org/fulldisclosure/2020/Jun/13"},{"refsource":"FULLDISC","name":"20210406 Trojan.Win32.Sharer.h / Known Vulnerable Component - Heap Corruption","url":"http://seclists.org/fulldisclosure/2021/Apr/12"}]}},"nvd":{"publishedDate":"2020-06-08 18:15:00","lastModifiedDate":"2021-04-06 13:15:00","problem_types":["CWE-120"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":5},"severity":"MEDIUM","exploitabilityScore":10,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:rejetto:http_file_server:2.3m:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"13432","Ordinal":"174616","Title":"CVE-2020-13432","CVE":"CVE-2020-13432","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"13432","Ordinal":"1","NoteData":"rejetto HFS (aka HTTP File Server) v2.3m Build #300, when virtual files or folders are used, allows remote attackers to trigger an invalid-pointer write access violation via concurrent HTTP requests with a long URI or long HTTP headers.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"13432","Ordinal":"2","NoteData":"2020-06-08","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"13432","Ordinal":"3","NoteData":"2021-04-06","Type":"Other","Title":"Modified"}]}}}