FKIE_CVE-2023-20867
Vulnerability from fkie_nvd - Published: 2023-06-13 17:15 - Updated: 2026-06-17 05:31
Severity
3.9 (Low) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
3.9 (Low) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
3.9 (Low) - CVSS:3.1/
Summary
A fully compromised ESXi host can force VMware Tools to fail to authenticate host-to-guest operations, impacting the confidentiality and integrity of the guest virtual machine.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| vmware | tools | * | |
| debian | debian_linux | 10.0 | |
| debian | debian_linux | 11.0 | |
| debian | debian_linux | 12.0 | |
| fedoraproject | fedora | 37 | |
| fedoraproject | fedora | 38 | |
| fedoraproject | fedora | 39 |
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"platforms": [
"Windows",
"Linux"
],
"product": "VMware Tools",
"vendor": "VMware",
"versions": [
{
"status": "unaffected",
"version": "12.2.5"
}
]
}
],
"source": "security@vmware.com"
}
],
"cisaActionDue": "2023-07-14",
"cisaExploitAdd": "2023-06-23",
"cisaRequiredAction": "Apply updates per vendor instructions.",
"cisaVulnerabilityName": "VMware Tools Authentication Bypass Vulnerability",
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:vmware:tools:*:*:*:*:*:*:*:*",
"matchCriteriaId": "7E0027C7-536C-42DC-A0FA-7215968B3E1B",
"versionEndExcluding": "12.2.5",
"versionStartIncluding": "10.3.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
"matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED",
"vulnerable": true
},
{
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"matchCriteriaId": "46D69DCC-AE4D-4EA5-861C-D60951444C6C",
"vulnerable": true
}
],
"negate": false,
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}
]
},
{
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"vulnerable": true
},
{
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"matchCriteriaId": "CC559B26-5DFC-4B7A-A27C-B77DE755DFF9",
"vulnerable": true
},
{
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"matchCriteriaId": "B8EDB836-4E6A-4B71-B9B2-AA3E03E0F646",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A fully compromised ESXi host can force VMware Tools to fail to authenticate host-to-guest operations, impacting the confidentiality and integrity of the guest virtual machine."
},
{
"lang": "es",
"value": "Un host ESXi totalmente comprometido puede obligar a VMware Tools a no poder autenticar las operaciones de host a invitado, lo que afecta la confidencialidad y la integridad de la m\u00e1quina virtual invitada."
}
],
"id": "CVE-2023-20867",
"lastModified": "2026-06-17T05:31:03.380",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 3.9,
"baseSeverity": "LOW",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 0.8,
"impactScore": 2.7,
"source": "security@vmware.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 3.9,
"baseSeverity": "LOW",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 0.8,
"impactScore": 2.7,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"ssvcV203": [
{
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"ssvcData": {
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"options": [
{
"exploitation": "active"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-02-04T19:00:03.914893Z",
"version": "2.0.3"
}
}
]
},
"published": "2023-06-13T17:15:14.070",
"references": [
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"tags": [
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"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-20867"
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],
"sourceIdentifier": "security@vmware.com",
"vulnStatus": "Analyzed",
"weaknesses": [
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"value": "CWE-287"
}
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"type": "Secondary"
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"description": [
{
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"value": "NVD-CWE-noinfo"
}
],
"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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