CVE-2021-36093

{"containers": {"cna": {"affected": [{"product": "((OTRS)) Community Edition", "vendor": "OTRS AG", "versions": [{"lessThan": "6.0.x*", "status": "affected", "version": "6.0.1", "versionType": "custom"}]}, {"product": "OTRS", "vendor": "OTRS AG", "versions": [{"lessThanOrEqual": "7.0.28", "status": "affected", "version": "7.0.x", "versionType": "custom"}, {"lessThanOrEqual": "8.0.15", "status": "affected", "version": "8.0.x", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Alberto Molina"}], "datePublic": "2021-09-06T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "It's possible to create an email which can be stuck while being processed by PostMaster filters, causing DoS. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions; 8.0.x version 8.0.15 and prior versions."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-185", "description": "CWE-185 Incorrect Regular Expression", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-09-06T13:15:23.000Z", "orgId": "2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8", "shortName": "OTRS"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://otrs.com/release-notes/otrs-security-advisory-2021-16/"}], "solutions": [{"lang": "en", "value": "Update to OTRS 8.0.16, OTRS 7.0.29."}], "source": {"advisory": "OSA-2021-16", "defect": ["2021070842000819"], "discovery": "USER"}, "title": "DoS attack using PostMaster filters", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@otrs.com", "DATE_PUBLIC": "2021-09-06T00:00:00.000Z", "ID": "CVE-2021-36093", "STATE": "PUBLIC", "TITLE": "DoS attack using PostMaster filters"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "((OTRS)) Community Edition", "version": {"version_data": [{"version_affected": ">=", "version_name": "6.0.x", "version_value": "6.0.1"}]}}, {"product_name": "OTRS", "version": {"version_data": [{"version_affected": "<=", "version_name": "7.0.x", "version_value": "7.0.28"}, {"version_affected": "<=", "version_name": "8.0.x", "version_value": "8.0.15"}]}}]}, "vendor_name": "OTRS AG"}]}}, "credit": [{"lang": "eng", "value": "Alberto Molina"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "It's possible to create an email which can be stuck while being processed by PostMaster filters, causing DoS. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions; 8.0.x version 8.0.15 and prior versions."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-185 Incorrect Regular Expression"}]}]}, "references": {"reference_data": [{"name": "https://otrs.com/release-notes/otrs-security-advisory-2021-16/", "refsource": "CONFIRM", "url": "https://otrs.com/release-notes/otrs-security-advisory-2021-16/"}]}, "solution": [{"lang": "en", "value": "Update to OTRS 8.0.16, OTRS 7.0.29."}], "source": {"advisory": "OSA-2021-16", "defect": ["2021070842000819"], "discovery": "USER"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T00:47:43.937Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://otrs.com/release-notes/otrs-security-advisory-2021-16/"}]}]}, "cveMetadata": {"assignerOrgId": "2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8", "assignerShortName": "OTRS", "cveId": "CVE-2021-36093", "datePublished": "2021-09-06T13:15:24.049Z", "dateReserved": "2021-07-01T00:00:00.000Z", "dateUpdated": "2024-09-16T20:36:38.524Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "((OTRS)) Community Edition", "vendor": "OTRS AG", "versions": [{"lessThan": "6.0.x*", "status": "affected", "version": "6.0.1", "versionType": "custom"}]}, {"product": "OTRS", "vendor": "OTRS AG", "versions": [{"lessThanOrEqual": "7.0.28", "status": "affected", "version": "7.0.x", "versionType": "custom"}, {"lessThanOrEqual": "8.0.15", "status": "affected", "version": "8.0.x", "versionType": "custom"}]}], "source": "security@otrs.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:community:*:*:*", "matchCriteriaId": "3B2D503B-661B-43EC-9902-D0613A037AA4", "versionStartIncluding": "6.0.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:-:*:*:*", "matchCriteriaId": "336DCF0F-236B-46A0-A112-A201F9B6014D", "versionEndExcluding": "7.0.29", "versionStartIncluding": "7.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:-:*:*:*", "matchCriteriaId": "48EBDE7F-60BB-4F61-9042-8FF68EF728A6", "versionEndExcluding": "8.0.16", "versionStartIncluding": "8.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "It's possible to create an email which can be stuck while being processed by PostMaster filters, causing DoS. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions; 8.0.x version 8.0.15 and prior versions."}, {"lang": "es", "value": "Es posible crear un correo electr\u00f3nico que puede atascarse mientras es procesado por los filtros PostMaster, causando DoS. Este problema afecta a: OTRS AG ((OTRS)) Community Edition versi\u00f3n 6.0.x, versi\u00f3n 6.0.1 y versiones posteriores. OTRS AG OTRS versi\u00f3n 7.0.x, versi\u00f3n 7.0.28 y versiones anteriores; versi\u00f3n 8.0.x, versi\u00f3n 8.0.15 y versiones anteriores."}], "id": "CVE-2021-36093", "lastModified": "2026-06-17T03:58:22.020", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security@otrs.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-09-06T14:15:07.197", "references": [{"source": "security@otrs.com", "tags": ["Vendor Advisory"], "url": "https://otrs.com/release-notes/otrs-security-advisory-2021-16/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://otrs.com/release-notes/otrs-security-advisory-2021-16/"}], "sourceIdentifier": "security@otrs.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-185"}], "source": "security@otrs.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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