{"api_version":"1","generated_at":"2026-05-05T06:58:00+00:00","cve":"CVE-2018-12227","urls":{"html":"https://cve.report/CVE-2018-12227","api":"https://cve.report/api/cve/CVE-2018-12227.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2018-12227","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-12227"},"summary":{"title":"CVE-2018-12227","description":"An issue was discovered in Asterisk Open Source 13.x before 13.21.1, 14.x before 14.7.7, and 15.x before 15.4.1 and Certified Asterisk 13.18-cert before 13.18-cert4 and 13.21-cert before 13.21-cert2. When endpoint specific ACL rules block a SIP request, they respond with a 403 forbidden. However, if an endpoint is not identified, then a 401 unauthorized response is sent. This vulnerability just discloses which requests hit a defined endpoint. The ACL rules cannot be bypassed to gain access to the disclosed endpoints.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2018-06-12 04:29:00","updated_at":"2019-03-29 16:22:00"},"problem_types":["CWE-200"],"metrics":[],"references":[{"url":"https://issues.asterisk.org/jira/browse/ASTERISK-27818","name":"https://issues.asterisk.org/jira/browse/ASTERISK-27818","refsource":"CONFIRM","tags":["Patch","Vendor Advisory"],"title":"[ASTERISK-27818] Username bruteforce is possible when using ACL with PJSIP - Digium/Asterisk JIRA","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://downloads.asterisk.org/pub/security/AST-2018-008.html","name":"http://downloads.asterisk.org/pub/security/AST-2018-008.html","refsource":"CONFIRM","tags":["Vendor Advisory"],"title":"AST-2018-008","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.debian.org/security/2018/dsa-4320","name":"DSA-4320","refsource":"DEBIAN","tags":["Third Party Advisory"],"title":"Debian -- Security Information -- DSA-4320-1 asterisk","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/104455","name":"104455","refsource":"BID","tags":["Third Party Advisory","VDB Entry"],"title":"Multiple Asterisk Products CVE-2018-12227 Information Disclosure Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://security.gentoo.org/glsa/201811-11","name":"GLSA-201811-11","refsource":"GENTOO","tags":["Third Party Advisory"],"title":"Asterisk: Multiple vulnerabilities (GLSA 201811-11) — Gentoo security","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-12227","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-12227","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2018","cve_id":"12227","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"9.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"12227","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"9.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"12227","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"digium","cpe5":"asterisk","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"12227","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"digium","cpe5":"asterisk","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"12227","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"digium","cpe5":"certified_asterisk","cpe6":"13.18","cpe7":"cert1","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"12227","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"digium","cpe5":"certified_asterisk","cpe6":"13.18","cpe7":"cert2","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"12227","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"digium","cpe5":"certified_asterisk","cpe6":"13.18","cpe7":"cert3","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"12227","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"digium","cpe5":"certified_asterisk","cpe6":"13.21","cpe7":"cert1","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"12227","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"digium","cpe5":"certified_asterisk","cpe6":"13.18","cpe7":"cert1","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"12227","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"digium","cpe5":"certified_asterisk","cpe6":"13.18","cpe7":"cert2","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"12227","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"digium","cpe5":"certified_asterisk","cpe6":"13.18","cpe7":"cert3","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"12227","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"digium","cpe5":"certified_asterisk","cpe6":"13.21","cpe7":"cert1","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2018-12227","qid":"710292","title":"Gentoo Linux Asterisk Multiple Vulnerabilities (GLSA 201811-11)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2018-12227","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":"An issue was discovered in Asterisk Open Source 13.x before 13.21.1, 14.x before 14.7.7, and 15.x before 15.4.1 and Certified Asterisk 13.18-cert before 13.18-cert4 and 13.21-cert before 13.21-cert2. When endpoint specific ACL rules block a SIP request, they respond with a 403 forbidden. However, if an endpoint is not identified, then a 401 unauthorized response is sent. This vulnerability just discloses which requests hit a defined endpoint. The ACL rules cannot be bypassed to gain access to the disclosed endpoints."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"DSA-4320","refsource":"DEBIAN","url":"https://www.debian.org/security/2018/dsa-4320"},{"name":"https://issues.asterisk.org/jira/browse/ASTERISK-27818","refsource":"CONFIRM","url":"https://issues.asterisk.org/jira/browse/ASTERISK-27818"},{"name":"http://downloads.asterisk.org/pub/security/AST-2018-008.html","refsource":"CONFIRM","url":"http://downloads.asterisk.org/pub/security/AST-2018-008.html"},{"name":"104455","refsource":"BID","url":"http://www.securityfocus.com/bid/104455"},{"name":"GLSA-201811-11","refsource":"GENTOO","url":"https://security.gentoo.org/glsa/201811-11"}]}},"nvd":{"publishedDate":"2018-06-12 04:29:00","lastModifiedDate":"2019-03-29 16:22:00","problem_types":["CWE-200"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"},"exploitabilityScore":3.9,"impactScore":1.4},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE","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:digium:asterisk:*:*:*:*:*:*:*:*","versionStartIncluding":"13.0.0","versionEndExcluding":"13.21.1","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*","versionStartExcluding":"14.0.0","versionEndExcluding":"14.7.7","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*","versionStartIncluding":"15.0.0","versionEndExcluding":"15.4.1","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:digium:certified_asterisk:13.18:cert1:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:digium:certified_asterisk:13.18:cert2:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:digium:certified_asterisk:13.18:cert3:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:digium:certified_asterisk:13.21:cert1:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2018","CveId":"12227","Ordinal":"128740","Title":"CVE-2018-12227","CVE":"CVE-2018-12227","Year":"2018"},"notes":[{"CveYear":"2018","CveId":"12227","Ordinal":"1","NoteData":"An issue was discovered in Asterisk Open Source 13.x before 13.21.1, 14.x before 14.7.7, and 15.x before 15.4.1 and Certified Asterisk 13.18-cert before 13.18-cert4 and 13.21-cert before 13.21-cert2. When endpoint specific ACL rules block a SIP request, they respond with a 403 forbidden. However, if an endpoint is not identified, then a 401 unauthorized response is sent. This vulnerability just discloses which requests hit a defined endpoint. The ACL rules cannot be bypassed to gain access to the disclosed endpoints.","Type":"Description","Title":null},{"CveYear":"2018","CveId":"12227","Ordinal":"2","NoteData":"2018-06-12","Type":"Other","Title":"Published"},{"CveYear":"2018","CveId":"12227","Ordinal":"3","NoteData":"2018-11-25","Type":"Other","Title":"Modified"}]}}}