{"id":"CVE-2021-36093","state":"PUBLISHED","title":"DoS attack using PostMaster filters","description":"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.","publishedAt":"2021-09-06T13:15:24.049Z","updatedAt":"2024-09-16T20:36:38.524Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","source":"OTRS"},"assigner":"OTRS","products":["OTRS AG ((OTRS)) Community Edition","OTRS AG OTRS"],"affected":[{"vendor":"OTRS AG","product":"((OTRS)) Community Edition","versions":[{"version":"6.0.1","status":"affected","lessThan":"6.0.x*","versionType":"custom"}]},{"vendor":"OTRS AG","product":"OTRS","versions":[{"version":"7.0.x","status":"affected","lessThanOrEqual":"7.0.28","versionType":"custom"},{"version":"8.0.x","status":"affected","lessThanOrEqual":"8.0.15","versionType":"custom"}]}],"references":["https://otrs.com/release-notes/otrs-security-advisory-2021-16/"],"weaknesses":["CWE-185"],"ingestedAt":"2026-10-29T19:48:44.655Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/36xxx/CVE-2021-36093.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-36093","state":"PUBLISHED","datePublished":"2021-09-06T13:15:24.049Z","dateUpdated":"2024-09-16T20:36:38.524Z","assignerShortName":"OTRS","assignerOrgId":"2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8","dateReserved":"2021-07-01T00:00:00.000Z"},"containers":{"cna":{"title":"DoS attack using PostMaster filters","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."}],"affected":[{"vendor":"OTRS AG","product":"((OTRS)) Community Edition","versions":[{"version":"6.0.1","status":"affected","lessThan":"6.0.x*","versionType":"custom"}]},{"vendor":"OTRS AG","product":"OTRS","versions":[{"version":"7.0.x","status":"affected","lessThanOrEqual":"7.0.28","versionType":"custom"},{"version":"8.0.x","status":"affected","lessThanOrEqual":"8.0.15","versionType":"custom"}]}],"references":[{"url":"https://otrs.com/release-notes/otrs-security-advisory-2021-16/","tags":["x_refsource_CONFIRM"]}],"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":{"shortName":"OTRS","dateUpdated":"2021-09-06T13:15:23.000Z","orgId":"2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8"},"credits":[{"lang":"en","value":"Alberto Molina"}],"datePublic":"2021-09-06T00:00:00.000Z","solutions":[{"lang":"en","value":"Update to OTRS 8.0.16, OTRS 7.0.29."}],"source":{"advisory":"OSA-2021-16","defect":["2021070842000819"],"discovery":"USER"},"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":[{"title":"CVE Program Container","references":[{"url":"https://otrs.com/release-notes/otrs-security-advisory-2021-16/","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T00:47:43.937Z"}}]}}}