{"id": "CVE-2021-20023", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.2}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.2}]}, "published": "2021-04-20T12:15:12.587", "references": [{"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0010", "tags": ["Vendor Advisory"], "source": "PSIRT@sonicwall.com"}, {"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0010", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-20023", "tags": ["US Government Resource"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "PSIRT@sonicwall.com", "description": [{"lang": "en", "value": "CWE-22"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-22"}]}], "descriptions": [{"lang": "en", "value": "SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to read an arbitrary file on the remote host."}, {"lang": "es", "value": "SonicWall Email Security versi\u00f3n 10.0.9.x, contiene una vulnerabilidad que permite a un atacante autenticado posteriormente leer un archivo arbitrario en el host remoto"}], "lastModified": "2025-11-12T14:32:02.917", "cisaActionDue": "2021-11-17", "cisaExploitAdd": "2021-11-03", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:sonicwall:email_security:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5EA2AE41-BCD4-4F77-8883-D201C1AFD110", "versionEndExcluding": "10.0.9.6173"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:sonicwall:email_security_appliance_9000_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0A418BFA-C4E6-4473-9740-794107F86084", "versionEndExcluding": "10.0.9.6177"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:sonicwall:email_security_appliance_9000:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "C2434930-79AB-4AA9-AAC8-B116F3CD5CC0"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:sonicwall:email_security_appliance_3300_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "28AF18A3-3E72-400A-81A3-E0D32D550FC1", "versionEndExcluding": "10.0.9.6177"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:sonicwall:email_security_appliance_3300:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "ECF2B5A6-B62F-444E-BDB3-0084896CD83B"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:sonicwall:email_security_appliance_4300_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "738196AF-ECBE-4AC2-914E-1DCF74DFD6A9", "versionEndExcluding": "10.0.9.6177"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:sonicwall:email_security_appliance_4300:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A18DCCAF-A373-4550-805B-EF329643B068"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:sonicwall:email_security_appliance_8300_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4667576A-993F-4622-B7AC-AC62DD6EFDFA", "versionEndExcluding": "10.0.9.6177"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:sonicwall:email_security_appliance_8300:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "DC5803B4-57F1-4F0C-A459-F367F56AFE16"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:sonicwall:email_security_appliance_5000_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "848AD231-F47D-49E3-B10B-5247240191EA", "versionEndExcluding": "10.0.9.6177"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:sonicwall:email_security_appliance_5000:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "BA9126B7-5C64-4692-954C-6EF71261862C"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:sonicwall:email_security_appliance_7000_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9908D0F6-1D47-4C2B-B546-3B5614EB827F", "versionEndExcluding": "10.0.9.6177"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:sonicwall:email_security_appliance_7000:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A114E829-5FC6-4321-8D28-C63EC09F9099"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:sonicwall:email_security_appliance_5050_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AD7A6C11-2167-4294-97E9-C467EE9E1B78", "versionEndExcluding": "10.0.9.6177"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:sonicwall:email_security_appliance_5050:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "271F06DD-8DAA-46EF-A803-659EA253CC63"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:sonicwall:email_security_appliance_7050_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B6220761-AC7E-42BD-A028-CC12EE9B3430", "versionEndExcluding": "10.0.9.6177"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:sonicwall:email_security_appliance_7050:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "443B635B-6B08-479B-A635-26724B192BF0"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:sonicwall:email_security_virtual_appliance:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "27799885-B16C-4B14-A780-54E7E20B6CB3", "versionEndExcluding": "10.0.9.6177"}, {"criteria": "cpe:2.3:a:sonicwall:hosted_email_security:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DCFC13F9-2DE3-412F-8C8B-847C81811B11", "versionEndExcluding": "10.0.9.6173"}], "operator": "OR"}]}], "sourceIdentifier": "PSIRT@sonicwall.com", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "SonicWall Email Security Path Traversal Vulnerability"}
