{"api_version":"1","generated_at":"2026-04-22T21:37:51+00:00","cve":"CVE-2020-36661","urls":{"html":"https://cve.report/CVE-2020-36661","api":"https://cve.report/api/cve/CVE-2020-36661.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-36661","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-36661"},"summary":{"title":"CVE-2020-36661","description":"A vulnerability was found in Kong lua-multipart 0.5.8-1. It has been declared as problematic. This vulnerability affects the function is_header of the file src/multipart.lua. The manipulation leads to inefficient regular expression complexity. Upgrading to version 0.5.9-1 is able to address this issue. The patch is identified as d632e5df43a2928fd537784a99a79dec288bf01b. It is recommended to upgrade the affected component. VDB-220642 is the identifier assigned to this vulnerability.","state":"PUBLIC","assigner":"cna@vuldb.com","published_at":"2023-02-12 21:15:00","updated_at":"2023-11-16 01:18:00"},"problem_types":["CWE-1333"],"metrics":[],"references":[{"url":"https://vuldb.com/?ctiid.220642","name":"https://vuldb.com/?ctiid.220642","refsource":"MISC","tags":[],"title":"Login required","mime":"text/html","httpstatus":"401","archivestatus":"404"},{"url":"https://github.com/Kong/lua-multipart/pull/34","name":"https://github.com/Kong/lua-multipart/pull/34","refsource":"MISC","tags":[],"title":"replace `is_header()` check pattern by javierguerragiraldez · Pull Request #34 · Kong/lua-multipart · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/Kong/lua-multipart/commit/d632e5df43a2928fd537784a99a79dec288bf01b","name":"https://github.com/Kong/lua-multipart/commit/d632e5df43a2928fd537784a99a79dec288bf01b","refsource":"MISC","tags":[],"title":"Merge pull request #34 from Kong/fix/vulnerable-pattern · Kong/lua-multipart@d632e5d · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/Kong/lua-multipart/releases/tag/0.5.9-1","name":"https://github.com/Kong/lua-multipart/releases/tag/0.5.9-1","refsource":"MISC","tags":[],"title":"Release 0.5.9-1 · Kong/lua-multipart · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://vuldb.com/?id.220642","name":"https://vuldb.com/?id.220642","refsource":"MISC","tags":[],"title":"Login required","mime":"text/html","httpstatus":"401","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-36661","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36661","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"36661","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"konghq","cpe5":"multipart","cpe6":"0.5.8-1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"lua","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2020-36661","ASSIGNER":"cna@vuldb.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"A vulnerability was found in Kong lua-multipart 0.5.8-1. It has been declared as problematic. This vulnerability affects the function is_header of the file src/multipart.lua. The manipulation leads to inefficient regular expression complexity. Upgrading to version 0.5.9-1 is able to address this issue. The patch is identified as d632e5df43a2928fd537784a99a79dec288bf01b. It is recommended to upgrade the affected component. VDB-220642 is the identifier assigned to this vulnerability."},{"lang":"deu","value":"In Kong lua-multipart 0.5.8-1 wurde eine Schwachstelle ausgemacht. Sie wurde als problematisch eingestuft. Betroffen ist die Funktion is_header der Datei src/multipart.lua. Durch Manipulation mit unbekannten Daten kann eine inefficient regular expression complexity-Schwachstelle ausgenutzt werden. Ein Aktualisieren auf die Version 0.5.9-1 vermag dieses Problem zu lösen. Der Patch wird als d632e5df43a2928fd537784a99a79dec288bf01b bezeichnet. Als bestmögliche Massnahme wird das Einspielen eines Upgrades empfohlen."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-1333 Inefficient Regular Expression Complexity","cweId":"CWE-1333"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"Kong","product":{"product_data":[{"product_name":"lua-multipart","version":{"version_data":[{"version_affected":"=","version_value":"0.5.8-1"}]}}]}}]}},"references":{"reference_data":[{"url":"https://vuldb.com/?id.220642","refsource":"MISC","name":"https://vuldb.com/?id.220642"},{"url":"https://vuldb.com/?ctiid.220642","refsource":"MISC","name":"https://vuldb.com/?ctiid.220642"},{"url":"https://github.com/Kong/lua-multipart/pull/34","refsource":"MISC","name":"https://github.com/Kong/lua-multipart/pull/34"},{"url":"https://github.com/Kong/lua-multipart/commit/d632e5df43a2928fd537784a99a79dec288bf01b","refsource":"MISC","name":"https://github.com/Kong/lua-multipart/commit/d632e5df43a2928fd537784a99a79dec288bf01b"},{"url":"https://github.com/Kong/lua-multipart/releases/tag/0.5.9-1","refsource":"MISC","name":"https://github.com/Kong/lua-multipart/releases/tag/0.5.9-1"}]},"credits":[{"lang":"en","value":"VulDB GitHub Commit Analyzer"}],"impact":{"cvss":[{"version":"3.1","baseScore":3.5,"vectorString":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","baseSeverity":"LOW"},{"version":"3.0","baseScore":3.5,"vectorString":"CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","baseSeverity":"LOW"},{"version":"2.0","baseScore":2.7,"vectorString":"AV:A/AC:L/Au:S/C:N/I:N/A:P"}]}},"nvd":{"publishedDate":"2023-02-12 21:15:00","lastModifiedDate":"2023-11-16 01:18:00","problem_types":["CWE-1333"],"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}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:konghq:multipart:0.5.8-1:*:*:*:*:lua:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}