FKIE_CVE-2021-3057
Vulnerability from fkie_nvd - Published: 2021-10-13 16:15 - Updated: 2026-06-17 04:04
Severity
Summary
A stack-based buffer overflow vulnerability exists in the Palo Alto Networks GlobalProtect app that enables a man-in-the-middle attacker to disrupt system processes and potentially execute arbitrary code with SYSTEM privileges. This issue impacts: GlobalProtect app 5.1 versions earlier than GlobalProtect app 5.1.9 on Windows; GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.8 on Windows; GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.8 on the Universal Windows Platform; GlobalProtect app 5.3 versions earlier than GlobalProtect app 5.3.1 on Linux.
References
Impacted products
{
"affected": [
{
"affectedData": [
{
"platforms": [
"Windows"
],
"product": "GlobalProtect App",
"vendor": "Palo Alto Networks",
"versions": [
{
"changes": [
{
"at": "5.1.9",
"status": "unaffected"
}
],
"lessThan": "5.1.9",
"status": "affected",
"version": "5.1",
"versionType": "custom"
},
{
"changes": [
{
"at": "5.2.8",
"status": "unaffected"
}
],
"lessThan": "5.2.8",
"status": "affected",
"version": "5.2",
"versionType": "custom"
}
]
},
{
"platforms": [
"Linux"
],
"product": "GlobalProtect App",
"vendor": "Palo Alto Networks",
"versions": [
{
"changes": [
{
"at": "5.3.1",
"status": "unaffected"
}
],
"lessThan": "5.3.1",
"status": "affected",
"version": "5.3",
"versionType": "custom"
}
]
},
{
"platforms": [
"Universal Windows Platform"
],
"product": "GlobalProtect App",
"vendor": "Palo Alto Networks",
"versions": [
{
"changes": [
{
"at": "5.2.8",
"status": "unaffected"
}
],
"lessThan": "5.2.8",
"status": "affected",
"version": "5.2",
"versionType": "custom"
}
]
}
],
"source": "psirt@paloaltonetworks.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:linux:*:*",
"matchCriteriaId": "27A40339-3816-4979-9705-2BA65C4485A3",
"versionEndIncluding": "5.0.8",
"versionStartIncluding": "5.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:macos:*:*",
"matchCriteriaId": "135DF658-334F-488A-AF89-F6655F55553A",
"versionEndIncluding": "5.0.9",
"versionStartIncluding": "5.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:windows:*:*",
"matchCriteriaId": "0E7CFF6E-3351-4E89-9CAA-FDE41CCF6C4F",
"versionEndIncluding": "5.0.10",
"versionStartIncluding": "5.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:linux:*:*",
"matchCriteriaId": "4658EFFB-74B9-4EE1-9044-060A109366A5",
"versionEndIncluding": "5.1.1",
"versionStartIncluding": "5.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:universal_windows_platform:*:*",
"matchCriteriaId": "511996AA-C9AE-4B0B-8A95-3A6ABECC89A1",
"versionEndIncluding": "5.1.1",
"versionStartIncluding": "5.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:windows:*:*",
"matchCriteriaId": "83122FE0-55DC-4060-B553-4F7C45192ABF",
"versionEndExcluding": "5.1.9",
"versionStartIncluding": "5.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:macos:*:*",
"matchCriteriaId": "1FD9AB74-21E7-4822-A16F-A23AA110B262",
"versionEndIncluding": "5.1.4",
"versionStartIncluding": "5.1.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:linux:*:*",
"matchCriteriaId": "DDF7AE8D-C8B9-4B72-AF3E-2E5B80234A86",
"versionEndExcluding": "5.2.8",
"versionStartIncluding": "5.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:macos:*:*",
"matchCriteriaId": "E4C4A15B-CCEB-4663-9836-B11D13CA03B9",
"versionEndExcluding": "5.2.8",
"versionStartIncluding": "5.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:universal_windows_platform:*:*",
"matchCriteriaId": "C099E60F-55FE-4A36-88FC-C84E6B46E752",
"versionEndExcluding": "5.2.8",
"versionStartIncluding": "5.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:windows:*:*",
"matchCriteriaId": "694EFE3E-296B-4466-9391-C3577BC9FEE8",
"versionEndExcluding": "5.2.8",
"versionStartIncluding": "5.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:linux:*:*",
"matchCriteriaId": "DAD2A294-98F8-4468-9AF0-8B18FCCC49C2",
"versionEndExcluding": "5.3.1",
"versionStartIncluding": "5.3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:paloaltonetworks:globalprotect:5.0:*:*:*:*:universal_windows_platform:*:*",
"matchCriteriaId": "89A946DF-8E7B-41A7-A63F-E9F22D57C041",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A stack-based buffer overflow vulnerability exists in the Palo Alto Networks GlobalProtect app that enables a man-in-the-middle attacker to disrupt system processes and potentially execute arbitrary code with SYSTEM privileges. This issue impacts: GlobalProtect app 5.1 versions earlier than GlobalProtect app 5.1.9 on Windows; GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.8 on Windows; GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.8 on the Universal Windows Platform; GlobalProtect app 5.3 versions earlier than GlobalProtect app 5.3.1 on Linux."
},
{
"lang": "es",
"value": "Se presenta una vulnerabilidad de desbordamiento del b\u00fafer en la regi\u00f3n stack de la memoria en Palo Alto Networks GlobalProtect app que permite a un atacante que act\u00faa como intermediario interrumpir los procesos del sistema y ejecutar potencialmente c\u00f3digo arbitrario con privilegios SYSTEM. Este problema afecta: GlobalProtect app 5.1 versiones anteriores a GlobalProtect app 5.1.9 en Windows; GlobalProtect app 5.2 versiones anteriores a GlobalProtect app 5.2.8 en Windows; GlobalProtect app 5.2 versiones anteriores a GlobalProtect app 5.2.8 en la Plataforma Universal Windows; GlobalProtect app 5.3 versiones anteriores a GlobalProtect app 5.3.1 en Linux"
}
],
"id": "CVE-2021-3057",
"lastModified": "2026-06-17T04:04:39.187",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 9.3,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 5.9,
"source": "psirt@paloaltonetworks.com",
"type": "Secondary"
}
]
},
"published": "2021-10-13T16:15:07.783",
"references": [
{
"source": "psirt@paloaltonetworks.com",
"tags": [
"Vendor Advisory"
],
"url": "https://security.paloaltonetworks.com/CVE-2021-3057"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://security.paloaltonetworks.com/CVE-2021-3057"
}
],
"sourceIdentifier": "psirt@paloaltonetworks.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-121"
}
],
"source": "psirt@paloaltonetworks.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
],
"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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