CVE-2021-22040 (GCVE-0-2021-22040)
Vulnerability from cvelistv5 – Published: 2022-02-16 16:37 – Updated: 2024-08-03 18:30
VLAI
EPSS
VEX
Summary
VMware ESXi, Workstation, and Fusion contain a use-after-free vulnerability in the XHCI USB controller. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host.
Severity
6.7 (Medium)
CWE
- Use-after-free vulnerability
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.vmware.com/security/advisories/VMSA-2… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| n/a | VMware ESXi , Workstation, Fusion and VMware Cloud Foundation |
Affected:
VMware ESXi (7.0 U3 before ESXi70U3c-19193900, 7.0 U2 before ESXi70U2e-19290878, 7.0 U1 before ESXi70U1e-19324898, ESXi 6.7 before ESXi670-202111101-SG and ESXi 6.5 ESXi650-202202401-SG), Workstation (16.x before 16.2.1), Fusion (12.x before 12.2.1) and VMware Cloud Foundation (4.x before 4.4 and 3.x before 3.11)
|
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"criteria": "cpe:2.3:o:vmware:esxi:6.7:670-202008001:*:*:*:*:*:*",
"matchCriteriaId": "497F58A2-0A2C-4A59-A73B-31C956EF3CD9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:vmware:esxi:6.7:670-202010001:*:*:*:*:*:*",
"matchCriteriaId": "18E8632C-E442-4F18-BFE2-96AE5C839F0E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:vmware:esxi:6.7:670-202011001:*:*:*:*:*:*",
"matchCriteriaId": "13D69B99-CB36-45DD-9FD9-C58186998200",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:vmware:esxi:6.7:670-202011002:*:*:*:*:*:*",
"matchCriteriaId": "EF0BC157-1834-46D8-9BF9-0CE9648C7D8B",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:vmware:esxi:6.7:670-202102001:*:*:*:*:*:*",
"matchCriteriaId": "728136B6-47A7-42BC-9464-7745E4F2B4FB",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:vmware:esxi:6.7:670-202103001:*:*:*:*:*:*",
"matchCriteriaId": "3967967A-E0A5-45B3-999C-D749A9B0C791",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:vmware:esxi:6.7:670-202111101:*:*:*:*:*:*",
"matchCriteriaId": "644588BB-2A6D-481C-9B2F-756C23B989DE",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:vmware:esxi:7.0:-:*:*:*:*:*:*",
"matchCriteriaId": "5CBA6B5A-F345-41D1-8AA0-E5F274A2D8FB",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:vmware:esxi:7.0:update_1:*:*:*:*:*:*",
"matchCriteriaId": "2C8DB7F6-5765-4355-B30E-9CAC39ECA5D9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:vmware:esxi:7.0:update_2:*:*:*:*:*:*",
"matchCriteriaId": "D3E3A02D-6C1E-4DE8-B845-60F53C056F32",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:vmware:esxi:7.0:update_3:*:*:*:*:*:*",
"matchCriteriaId": "4ADC3CFF-7415-46A5-817A-2F053B261E8C",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "VMware ESXi, Workstation, and Fusion contain a use-after-free vulnerability in the XHCI USB controller. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine\u0027s VMX process running on the host."
},
{
"lang": "es",
"value": "VMware ESXi, Workstation y Fusion contienen una vulnerabilidad de uso de memoria previamente liberada en el controlador USB XHCI. Un actor malicioso con privilegios administrativos locales en una m\u00e1quina virtual puede aprovechar este problema para ejecutar c\u00f3digo como el proceso VMX de la m\u00e1quina virtual que es ejecutada en el host"
}
],
"id": "CVE-2021-22040",
"lastModified": "2024-11-21T05:49:29.040",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.6,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 0.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2022-02-16T17:15:10.413",
"references": [
{
"source": "security@vmware.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://www.vmware.com/security/advisories/VMSA-2022-0004.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://www.vmware.com/security/advisories/VMSA-2022-0004.html"
}
],
"sourceIdentifier": "security@vmware.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
}
}
}
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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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