CVE-2021-33760 (GCVE-0-2021-33760)
Vulnerability from cvelistv5 – Published: 2021-07-14 17:53 – Updated: 2026-08-10 15:11
VLAI
EPSS
VEX
Title
Media Foundation Information Disclosure Vulnerability
Summary
Media Foundation Information Disclosure Vulnerability
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-01-08 20:35 UTC
CWE
- Information Disclosure
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
| https://portal.msrc.microsoft.com/en-US/security-… | x_refsource_MISCx_transferred |
Impacted products
7 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1909 |
Affected:
10.0.0 , < 10.0.18363.1679
(custom)
|
guessed | |
| Microsoft | Windows 10 Version 2004 |
Affected:
10.0.0 , < 10.0.19041.1110
(custom)
|
guessed | |
| Microsoft | Windows 10 Version 20H2 |
Affected:
10.0.0 , < 10.0.19042.1110
(custom)
|
guessed | |
| Microsoft | Windows 10 Version 21H1 |
Affected:
10.0.0 , < 10.0.19043.1110
(custom)
|
guessed | |
| Microsoft | Windows Server version 2004 |
Affected:
10.0.0 , < 10.0.19041.1110
(custom)
|
guessed | |
| Microsoft | Windows Server version 20H2 |
Affected:
10.0.0 , < 10.0.19042.1110
(custom)
|
guessed | |
| Microsoft | Windows Server, version 1909 (Server Core installation) |
Affected:
10.0.0 , < 10.0.18363.1679
(custom)
|
guessed |
Date Public
2021-07-13 14:00
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},
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{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33760"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2021-33760",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-01-08T20:35:18.506900Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-11-19T14:49:09.459Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
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{
"platforms": [
"32-bit Systems",
"ARM64-based Systems",
"x64-based Systems"
],
"product": "Windows 10 Version 1909",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.18363.1679",
"status": "affected",
"version": "10.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
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"ARM64-based Systems",
"x64-based Systems"
],
"product": "Windows 10 Version 2004",
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},
{
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],
"product": "Windows 10 Version 20H2",
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"versions": [
{
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"status": "affected",
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}
]
},
{
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],
"product": "Windows 10 Version 21H1",
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},
{
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],
"product": "Windows Server version 2004",
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},
{
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],
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"status": "affected",
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}
]
},
{
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],
"product": "Windows Server, version 1909 (Server Core installation)",
"vendor": "Microsoft",
"versions": [
{
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"status": "affected",
"version": "10.0.0",
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}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x86:*",
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"versionStartIncluding": "10.0.0",
"vulnerable": true
},
{
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},
{
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},
{
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},
{
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},
{
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{
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}
],
"negate": false,
"operator": "OR"
}
]
}
],
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"descriptions": [
{
"lang": "en-US",
"value": "Media Foundation Information Disclosure Vulnerability"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C",
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},
"format": "CVSS",
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"lang": "en-US",
"value": "GENERAL"
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]
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Information Disclosure",
"lang": "en-US",
"type": "Impact"
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]
}
],
"providerMetadata": {
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"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Media Foundation Information Disclosure Vulnerability",
"tags": [
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"patch"
],
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}
],
"title": "Media Foundation Information Disclosure Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
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"datePublished": "2021-07-14T17:53:35.000Z",
"dateReserved": "2021-05-28T00:00:00.000Z",
"dateUpdated": "2026-08-10T15:11:01.471Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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