CVE-2021-20041
Vulnerability from cvelistv5
Published
2021-12-08 09:55
Modified
2024-08-03 17:30
Severity ?
EPSS score ?
Summary
An unauthenticated and remote adversary can consume all of the device's CPU due to crafted HTTP requests sent to SMA100 /fileshare/sonicfiles/sonicfiles resulting in a loop with unreachable exit condition. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| PSIRT@sonicwall.com | https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026 | Vendor Advisory |
Impacted products
| ▼ | Vendor | Product |
|---|---|---|
| SonicWall | SonicWall SMA100 |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T17:30:07.021Z",
"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"
}
],
"title": "CVE Program Container"
}
],
"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": "An unauthenticated and remote adversary can consume all of the device\u0027s CPU due to crafted HTTP requests sent to SMA100 /fileshare/sonicfiles/sonicfiles resulting in a loop with unreachable exit condition. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-835",
"description": "CWE-835: Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-12-08T09:55:24",
"orgId": "44b2ff79-1416-4492-88bb-ed0da00c7315",
"shortName": "sonicwall"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "PSIRT@sonicwall.com",
"ID": "CVE-2021-20041",
"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": "An unauthenticated and remote adversary can consume all of the device\u0027s CPU due to crafted HTTP requests sent to SMA100 /fileshare/sonicfiles/sonicfiles resulting in a loop with unreachable exit condition. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-835: Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)"
}
]
}
]
},
"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"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "44b2ff79-1416-4492-88bb-ed0da00c7315",
"assignerShortName": "sonicwall",
"cveId": "CVE-2021-20041",
"datePublished": "2021-12-08T09:55:24",
"dateReserved": "2020-12-17T00:00:00",
"dateUpdated": "2024-08-03T17:30:07.021Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2021-20041\",\"sourceIdentifier\":\"PSIRT@sonicwall.com\",\"published\":\"2021-12-08T10:15:08.003\",\"lastModified\":\"2021-12-10T21:59:54.930\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"An unauthenticated and remote adversary can consume all of the device\u0027s CPU due to crafted HTTP requests sent to SMA100 /fileshare/sonicfiles/sonicfiles resulting in a loop with unreachable exit condition. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.\"},{\"lang\":\"es\",\"value\":\"Un adversario no autenticado y remoto puede consumir toda la CPU del dispositivo debido a peticiones HTTP dise\u00f1adas enviadas a SMA100 /fileshare/sonicfiles/sonicfiles, lo que provoca un bucle con condici\u00f3n de salida inalcanzable. Esta vulnerabilidad afecta a los dispositivos SMA 200, 210, 400, 410 y 500v\"}],\"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:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:C\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\",\"baseScore\":7.8},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-835\"}]},{\"source\":\"PSIRT@sonicwall.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-835\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:sonicwall:sma_200_firmware:9.0.0.11-31sv:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4D9E19F4-7FF4-426C-8B08-BCC802F653E0\"},{\"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\"}]},{\"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:9.0.0.11-31sv:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C14BCE5E-887B-41D4-9845-34E3A7CCDE58\"},{\"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\"}]},{\"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:9.0.0.11-31sv:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9464A061-4218-472A-B981-8E6A653C5D53\"},{\"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\"}]},{\"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:9.0.0.11-31sv:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C842AFF6-C556-4187-957B-548E5649D949\"},{\"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\"}]},{\"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:9.0.0.11-31sv:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0E00827E-3007-4EA4-B22A-3BDFC246EA65\"},{\"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\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:sonicwall:sma_500v:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A6AD8A33-7CE4-4C66-9E23-F0C9C9638770\"}]}]}],\"references\":[{\"url\":\"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026\",\"source\":\"PSIRT@sonicwall.com\",\"tags\":[\"Vendor Advisory\"]}]}}"
}
}
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.
- 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.