{"containers": {"cna": {"affected": [{"product": "i", "vendor": "IBM", "versions": [{"status": "affected", "version": "7.1"}, {"status": "affected", "version": "7.2"}, {"status": "affected", "version": "7.3"}, {"status": "affected", "version": "7.4"}]}], "datePublic": "2021-04-20T00:00:00", "descriptions": [{"lang": "en", "value": "IBM i 7.1, 7.2, 7.3, and 7.4 SMTP allows a network attacker to send emails to non-existent local-domain recipients to the SMTP server, caused by using a non-default configuration. An attacker could exploit this vulnerability to consume unnecessary network bandwidth and disk space, and allow remote attackers to send spam email. IBM X-Force ID: 198056."}], "metrics": [{"cvssV3_0": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "exploitCodeMaturity": "UNPROVEN", "integrityImpact": "NONE", "privilegesRequired": "NONE", "remediationLevel": "OFFICIAL_FIX", "reportConfidence": "CONFIRMED", "scope": "UNCHANGED", "temporalScore": 5.2, "temporalSeverity": "MEDIUM", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/C:N/S:U/AC:H/A:H/UI:N/I:N/PR:N/RC:C/E:U/RL:O", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"description": "Denial of Service", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-04-21T12:05:22", "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.ibm.com/support/pages/node/6445505"}, {"name": "ibm-i-cve202120501-dos (198056)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/198056"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@us.ibm.com", "DATE_PUBLIC": "2021-04-20T00:00:00", "ID": "CVE-2021-20501", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "i", "version": {"version_data": [{"version_value": "7.1"}, {"version_value": "7.2"}, {"version_value": "7.3"}, {"version_value": "7.4"}]}}]}, "vendor_name": "IBM"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "IBM i 7.1, 7.2, 7.3, and 7.4 SMTP allows a network attacker to send emails to non-existent local-domain recipients to the SMTP server, caused by using a non-default configuration. An attacker could exploit this vulnerability to consume unnecessary network bandwidth and disk space, and allow remote attackers to send spam email. IBM X-Force ID: 198056."}]}, "impact": {"cvssv3": {"BM": {"A": "H", "AC": "H", "AV": "N", "C": "N", "I": "N", "PR": "N", "S": "U", "UI": "N"}, "TM": {"E": "U", "RC": "C", "RL": "O"}}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Denial of Service"}]}]}, "references": {"reference_data": [{"name": "https://www.ibm.com/support/pages/node/6445505", "refsource": "CONFIRM", "title": "IBM Security Bulletin 6445505 (i)", "url": "https://www.ibm.com/support/pages/node/6445505"}, {"name": "ibm-i-cve202120501-dos (198056)", "refsource": "XF", "title": "X-Force Vulnerability Report", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/198056"}]}}}}, "cveMetadata": {"assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "assignerShortName": "ibm", "cveId": "CVE-2021-20501", "datePublished": "2021-04-20T00:00:00", "dateReserved": "2020-12-17T00:00:00", "dateUpdated": "2021-04-21T12:05:22", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:ibm:i:7.1:*:*:*:*:*:*:*", "matchCriteriaId": "75F0F975-DD09-4851-A536-1B8484715FEE", "vulnerable": true}, {"criteria": "cpe:2.3:o:ibm:i:7.2:*:*:*:*:*:*:*", "matchCriteriaId": "BD871157-2BB3-4641-B84E-3EA13D24D35A", "vulnerable": true}, {"criteria": "cpe:2.3:o:ibm:i:7.3:*:*:*:*:*:*:*", "matchCriteriaId": "9A49E8C5-7967-42AE-A787-C533D24A63D7", "vulnerable": true}, {"criteria": "cpe:2.3:o:ibm:i:7.4:*:*:*:*:*:*:*", "matchCriteriaId": "92D03306-B6C9-403E-99A2-CE9D8DC3B482", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "IBM i 7.1, 7.2, 7.3, and 7.4 SMTP allows a network attacker to send emails to non-existent local-domain recipients to the SMTP server, caused by using a non-default configuration. An attacker could exploit this vulnerability to consume unnecessary network bandwidth and disk space, and allow remote attackers to send spam email. IBM X-Force ID: 198056."}, {"lang": "es", "value": "IBM i versiones 7.1, 7.2, 7.3 y 7.4 SMTP, permite a un atacante de red enviar correos electr\u00f3nicos a destinatarios de dominio local inexistentes en el servidor SMTP, debido al uso de una configuraci\u00f3n no predeterminada. Un atacante podr\u00eda explotar esta vulnerabilidad para consumir ancho de banda de red y espacio en disco innecesarios, y permitir a atacantes remotos enviar correo electr\u00f3nico no deseado.  IBM X-Force ID: 198056"}], "id": "CVE-2021-20501", "lastModified": "2022-07-12T17:42:04.277", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.4, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "psirt@us.ibm.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-21T12:15:08.303", "references": [{"source": "psirt@us.ibm.com", "tags": ["VDB Entry", "Vendor Advisory"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/198056"}, {"source": "psirt@us.ibm.com", "tags": ["Vendor Advisory"], "url": "https://www.ibm.com/support/pages/node/6445505"}], "sourceIdentifier": "psirt@us.ibm.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}