{ "containers": { "cna": { "affected": [ { "product": "SonicWall SMA100", "vendor": "SonicWall", "versions": [ { "status": "affected", "version": "9.0.0.11-31sv and earlier" }, { "status": "affected", "version": "10.2.0.8-37sv and earlier" }, { "status": "affected", "version": "10.2.1.1-19sv and earlier" }, { "status": "affected", "version": "10.2.1.2-24sv and earlier" } ] } ], "descriptions": [ { "lang": "en", "value": "Improper neutralization of special elements in the SMA100 management interface '/cgi-bin/viewcert' POST http method allows a remote authenticated attacker to inject arbitrary commands as a 'nobody' user. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances." } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-78", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2022-01-13T18:06:20.000Z", "orgId": "44b2ff79-1416-4492-88bb-ed0da00c7315", "shortName": "sonicwall" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026" }, { "tags": [ "x_refsource_MISC" ], "url": "http://packetstormsecurity.com/files/165563/SonicWall-SMA-100-Series-Authenticated-Command-Injection.html" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "PSIRT@sonicwall.com", "ID": "CVE-2021-20039", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "SonicWall SMA100", "version": { "version_data": [ { "version_value": "9.0.0.11-31sv and earlier" }, { "version_value": "10.2.0.8-37sv and earlier" }, { "version_value": "10.2.1.1-19sv and earlier" }, { "version_value": "10.2.1.2-24sv and earlier" } ] } } ] }, "vendor_name": "SonicWall" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Improper neutralization of special elements in the SMA100 management interface '/cgi-bin/viewcert' POST http method allows a remote authenticated attacker to inject arbitrary commands as a 'nobody' user. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')" } ] } ] }, "references": { "reference_data": [ { "name": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026", "refsource": "CONFIRM", "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026" }, { "name": "http://packetstormsecurity.com/files/165563/SonicWall-SMA-100-Series-Authenticated-Command-Injection.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/165563/SonicWall-SMA-100-Series-Authenticated-Command-Injection.html" } ] } } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:30:07.406Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "http://packetstormsecurity.com/files/165563/SonicWall-SMA-100-Series-Authenticated-Command-Injection.html" } ] }, { "references": [ { "url": "https://attackerkb.com/topics/9szJhq46lw/cve-2021-20039/rapid7-analysis", "tags": [ "exploit" ] } ], "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2025-08-15T14:46:52.429484Z", "id": "CVE-2021-20039", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-09-05T17:09:47.136Z" } } ] }, "cveMetadata": { "assignerOrgId": "44b2ff79-1416-4492-88bb-ed0da00c7315", "assignerShortName": "sonicwall", "cveId": "CVE-2021-20039", "datePublished": "2021-12-08T09:55:21.000Z", "dateReserved": "2020-12-17T00:00:00.000Z", "dateUpdated": "2025-09-05T17:09:47.136Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }