CVE-2021-20038 (GCVE-0-2021-20038)
Vulnerability from cvelistv5
Published
2021-12-08 09:55
Modified
2025-10-21 23:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-121 - Stack-based Buffer Overflow
Summary
A Stack-based buffer overflow vulnerability in SMA100 Apache httpd server's mod_cgi module environment variables allows a remote unauthenticated attacker to potentially execute code as a 'nobody' user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances firmware 10.2.0.8-37sv, 10.2.1.1-19sv, 10.2.1.2-24sv and earlier versions.
References
| URL | Tags | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| SonicWall | SonicWall SMA100 |
Version: 10.2.0.8-37sv and earlier Version: 10.2.1.1-19sv and earlier Version: 10.2.1.2-24sv and earlier |
CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog
Date added: 2022-01-28
Due date: 2022-02-11
Required action: Apply updates per vendor instructions.
Used in ransomware: Known
Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-20038
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T17:30:07.356Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"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": "https://github.com/jbaines-r7/badblood"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.rapid7.com/blog/post/2022/01/11/cve-2021-20038-42-sonicwall-sma-100-multiple-vulnerabilities-fixed-2/"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2021-20038",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-02-04T14:26:58.722403Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2022-01-28",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-20038"
},
"type": "kev"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-10-21T23:25:23.415Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-20038"
}
],
"timeline": [
{
"lang": "en",
"time": "2022-01-28T00:00:00+00:00",
"value": "CVE-2021-20038 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "SonicWall SMA100",
"vendor": "SonicWall",
"versions": [
{
"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": "A Stack-based buffer overflow vulnerability in SMA100 Apache httpd server\u0027s mod_cgi module environment variables allows a remote unauthenticated attacker to potentially execute code as a \u0027nobody\u0027 user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances firmware 10.2.0.8-37sv, 10.2.1.1-19sv, 10.2.1.2-24sv and earlier versions."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-121",
"description": "CWE-121: Stack-based Buffer Overflow",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-04-29T11:48:42.000Z",
"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": "https://github.com/jbaines-r7/badblood"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.rapid7.com/blog/post/2022/01/11/cve-2021-20038-42-sonicwall-sma-100-multiple-vulnerabilities-fixed-2/"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "PSIRT@sonicwall.com",
"ID": "CVE-2021-20038",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "SonicWall SMA100",
"version": {
"version_data": [
{
"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": "A Stack-based buffer overflow vulnerability in SMA100 Apache httpd server\u0027s mod_cgi module environment variables allows a remote unauthenticated attacker to potentially execute code as a \u0027nobody\u0027 user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances firmware 10.2.0.8-37sv, 10.2.1.1-19sv, 10.2.1.2-24sv and earlier versions."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-121: Stack-based Buffer Overflow"
}
]
}
]
},
"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": "https://github.com/jbaines-r7/badblood",
"refsource": "MISC",
"url": "https://github.com/jbaines-r7/badblood"
},
{
"name": "https://www.rapid7.com/blog/post/2022/01/11/cve-2021-20038-42-sonicwall-sma-100-multiple-vulnerabilities-fixed-2/",
"refsource": "MISC",
"url": "https://www.rapid7.com/blog/post/2022/01/11/cve-2021-20038-42-sonicwall-sma-100-multiple-vulnerabilities-fixed-2/"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "44b2ff79-1416-4492-88bb-ed0da00c7315",
"assignerShortName": "sonicwall",
"cveId": "CVE-2021-20038",
"datePublished": "2021-12-08T09:55:20.000Z",
"dateReserved": "2020-12-17T00:00:00.000Z",
"dateUpdated": "2025-10-21T23:25:23.415Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"cisa_known_exploited": {
"cveID": "CVE-2021-20038",
"cwes": "[\"CWE-121\"]",
"dateAdded": "2022-01-28",
"dueDate": "2022-02-11",
"knownRansomwareCampaignUse": "Known",
"notes": "https://nvd.nist.gov/vuln/detail/CVE-2021-20038",
"product": "SMA 100 Appliances",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "SonicWall SMA 100 devies are vulnerable to an unauthenticated stack-based buffer overflow vulnerability where exploitation can result in code execution.",
"vendorProject": "SonicWall",
"vulnerabilityName": "SonicWall SMA 100 Appliances Stack-Based Buffer Overflow Vulnerability"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2021-20038\",\"sourceIdentifier\":\"PSIRT@sonicwall.com\",\"published\":\"2021-12-08T10:15:07.750\",\"lastModified\":\"2025-10-31T17:13:16.787\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A Stack-based buffer overflow vulnerability in SMA100 Apache httpd server\u0027s mod_cgi module environment variables allows a remote unauthenticated attacker to potentially execute code as a \u0027nobody\u0027 user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances firmware 10.2.0.8-37sv, 10.2.1.1-19sv, 10.2.1.2-24sv and earlier versions.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de desbordamiento de b\u00fafer en la regi\u00f3n Stack de la memoria en las variables de entorno del m\u00f3dulo mod_cgi del servidor httpd de SMA100 permite a un atacante remoto no autenticado ejecutar potencialmente c\u00f3digo como usuario \\\"nobody\\\" en el dispositivo. Esta vulnerabilidad afecta a los dispositivos SMA 200, 210, 400, 410 y 500v con firmware versiones 10.2.0.8-37sv, 10.2.1.1-19sv, 10.2.1.2-24sv y versiones anteriores\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"cisaExploitAdd\":\"2022-01-28\",\"cisaActionDue\":\"2022-02-11\",\"cisaRequiredAction\":\"Apply updates per vendor instructions.\",\"cisaVulnerabilityName\":\"SonicWall SMA 100 Appliances Stack-Based Buffer Overflow Vulnerability\",\"weaknesses\":[{\"source\":\"PSIRT@sonicwall.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-121\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:sonicwall:sma_200_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4185C028-6A07-4A92-8380-9AA3953D2CFD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:sonicwall:sma_200_firmware:10.2.1.1-19sv:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"33233A45-6667-4CE9-A21C-6A6C725689F8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:sonicwall:sma_200_firmware:10.2.1.2-24sv:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"01134E66-F1FD-477B-AD44-FDEE8368BE18\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:sonicwall:sma_200:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0B190266-AD6F-401B-9B2E-061CDD539236\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:sonicwall:sma_210_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E62EEC93-6F52-4DDB-95F0-D5736391D64C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:sonicwall:sma_210_firmware:10.2.1.1-19sv:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E4F1C135-A182-4233-B7FC-D08C754ECE13\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:sonicwall:sma_210_firmware:10.2.1.2-24sv:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B38AAB98-7668-4F34-8D5F-9933422F12DD\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:sonicwall:sma_210:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"51587338-4A5F-41FC-9497-743F061947C2\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:sonicwall:sma_410_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"53698BD3-43B6-4EC4-8847-E6ED9A3CB6F6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:sonicwall:sma_410_firmware:10.2.1.1-19sv:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8EC74D70-C04B-481F-A706-6C86751996FB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:sonicwall:sma_410_firmware:10.2.1.2-24sv:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9F1FA3D8-C44A-4F33-B35D-AADF8C4E45DF\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:sonicwall:sma_410:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9DFB8FBC-FFA4-4526-B306-D5692A43DC9E\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:sonicwall:sma_400_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9BE21589-3BEC-4245-9939-CF50DE70B12A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:sonicwall:sma_400_firmware:10.2.1.1-19sv:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BEB82F42-A5DF-42CC-86F9-B06B39BBC202\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:sonicwall:sma_400_firmware:10.2.1.2-24sv:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"54946A90-09AC-4387-BACB-883AE70FD5A7\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:sonicwall:sma_400:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9D728332-10C9-4508-B720-569D44E99543\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:sonicwall:sma_500v_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"379F7CA2-8914-4710-AE6B-D2833605D4B8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:sonicwall:sma_500v_firmware:10.2.1.1-19sv:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AC429F62-366B-4B68-B378-FB741F9F7FEF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:sonicwall:sma_500v_firmware:10.2.1.2-24sv:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9395563D-9071-4CE2-BAEA-D6854F4AD961\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:sonicwall:sma_500v:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A6AD8A33-7CE4-4C66-9E23-F0C9C9638770\"}]}]}],\"references\":[{\"url\":\"https://github.com/jbaines-r7/badblood\",\"source\":\"PSIRT@sonicwall.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026\",\"source\":\"PSIRT@sonicwall.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.rapid7.com/blog/post/2022/01/11/cve-2021-20038-42-sonicwall-sma-100-multiple-vulnerabilities-fixed-2/\",\"source\":\"PSIRT@sonicwall.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/jbaines-r7/badblood\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.rapid7.com/blog/post/2022/01/11/cve-2021-20038-42-sonicwall-sma-100-multiple-vulnerabilities-fixed-2/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-20038\",\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"tags\":[\"US Government Resource\"]}]}}",
"vulnrichment": {
"containers": "{\"cna\": {\"affected\": [{\"product\": \"SonicWall SMA100\", \"vendor\": \"SonicWall\", \"versions\": [{\"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\": \"A Stack-based buffer overflow vulnerability in SMA100 Apache httpd server\u0027s mod_cgi module environment variables allows a remote unauthenticated attacker to potentially execute code as a \u0027nobody\u0027 user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances firmware 10.2.0.8-37sv, 10.2.1.1-19sv, 10.2.1.2-24sv and earlier versions.\"}], \"problemTypes\": [{\"descriptions\": [{\"cweId\": \"CWE-121\", \"description\": \"CWE-121: Stack-based Buffer Overflow\", \"lang\": \"en\", \"type\": \"CWE\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2022-04-29T11:48:42.000Z\", \"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\": \"https://github.com/jbaines-r7/badblood\"}, {\"tags\": [\"x_refsource_MISC\"], \"url\": \"https://www.rapid7.com/blog/post/2022/01/11/cve-2021-20038-42-sonicwall-sma-100-multiple-vulnerabilities-fixed-2/\"}], \"x_legacyV4Record\": {\"CVE_data_meta\": {\"ASSIGNER\": \"PSIRT@sonicwall.com\", \"ID\": \"CVE-2021-20038\", \"STATE\": \"PUBLIC\"}, \"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"product_name\": \"SonicWall SMA100\", \"version\": {\"version_data\": [{\"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\": \"A Stack-based buffer overflow vulnerability in SMA100 Apache httpd server\u0027s mod_cgi module environment variables allows a remote unauthenticated attacker to potentially execute code as a \u0027nobody\u0027 user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances firmware 10.2.0.8-37sv, 10.2.1.1-19sv, 10.2.1.2-24sv and earlier versions.\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"CWE-121: Stack-based Buffer Overflow\"}]}]}, \"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\": \"https://github.com/jbaines-r7/badblood\", \"refsource\": \"MISC\", \"url\": \"https://github.com/jbaines-r7/badblood\"}, {\"name\": \"https://www.rapid7.com/blog/post/2022/01/11/cve-2021-20038-42-sonicwall-sma-100-multiple-vulnerabilities-fixed-2/\", \"refsource\": \"MISC\", \"url\": \"https://www.rapid7.com/blog/post/2022/01/11/cve-2021-20038-42-sonicwall-sma-100-multiple-vulnerabilities-fixed-2/\"}]}}}, \"adp\": [{\"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T17:30:07.356Z\"}, \"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\": \"https://github.com/jbaines-r7/badblood\"}, {\"tags\": [\"x_refsource_MISC\", \"x_transferred\"], \"url\": \"https://www.rapid7.com/blog/post/2022/01/11/cve-2021-20038-42-sonicwall-sma-100-multiple-vulnerabilities-fixed-2/\"}]}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 9.8, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"CRITICAL\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-20038\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-02-04T14:26:58.722403Z\"}}}, {\"other\": {\"type\": \"kev\", \"content\": {\"dateAdded\": \"2022-01-28\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-20038\"}}}], \"timeline\": [{\"time\": \"2022-01-28T00:00:00+00:00\", \"lang\": \"en\", \"value\": \"CVE-2021-20038 added to CISA KEV\"}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-04T14:25:59.069Z\"}}]}",
"cveMetadata": "{\"assignerOrgId\": \"44b2ff79-1416-4492-88bb-ed0da00c7315\", \"assignerShortName\": \"sonicwall\", \"cveId\": \"CVE-2021-20038\", \"datePublished\": \"2021-12-08T09:55:20.000Z\", \"dateReserved\": \"2020-12-17T00:00:00.000Z\", \"dateUpdated\": \"2025-07-30T01:37:52.515Z\", \"state\": \"PUBLISHED\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…
Loading…