CVE-2021-31978
Vulnerability from cvelistv5
Published
2021-06-08 22:46
Modified
2024-08-03 23:10
Severity ?
EPSS score ?
Summary
Microsoft Defender Denial of Service Vulnerability
References
▼ | URL | Tags | |
---|---|---|---|
secure@microsoft.com | https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31978 | Patch, Vendor Advisory |
Impacted products
▼ | Vendor | Product |
---|---|---|
Microsoft | Microsoft Malware Protection Engine |
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-03T23:10:31.460Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31978" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "cpes": [ "cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*" ], "platforms": [ "Unknown" ], "product": "Microsoft Malware Protection Engine", "vendor": "Microsoft", "versions": [ { "lessThan": "Version 1.1.18200.3", "status": "affected", "version": "1.1.0.0", "versionType": "custom" } ] } ], "datePublic": "2021-06-08T07:00:00+00:00", "descriptions": [ { "lang": "en-US", "value": "Microsoft Defender Denial of Service Vulnerability" } ], "metrics": [ { "cvssV3_1": { "baseScore": 5.5, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en-US", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "description": "Denial of Service", "lang": "en-US", "type": "Impact" } ] } ], "providerMetadata": { "dateUpdated": "2024-05-29T14:55:48.796Z", "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31978" } ], "title": "Microsoft Defender Denial of Service Vulnerability" } }, "cveMetadata": { "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "assignerShortName": "microsoft", "cveId": "CVE-2021-31978", "datePublished": "2021-06-08T22:46:40", "dateReserved": "2021-04-30T00:00:00", "dateUpdated": "2024-08-03T23:10:31.460Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-31978\",\"sourceIdentifier\":\"secure@microsoft.com\",\"published\":\"2021-06-08T23:15:09.390\",\"lastModified\":\"2023-08-01T23:15:15.673\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Microsoft Defender Denial of Service Vulnerability\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de Denegaci\u00f3n de Servicio en Microsoft Defender\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"secure@microsoft.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:N/I:N/A:P\",\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":2.1},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":3.9,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.1.18200.3\",\"matchCriteriaId\":\"EB306F4D-242B-4F7F-B80B-32427385DBD0\"}]}]}],\"references\":[{\"url\":\"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31978\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}" } }
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Sightings
Author | Source | Type | Date |
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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.