CVE-2020-4075 (GCVE-0-2020-4075)
Vulnerability from cvelistv5 – Published: 2020-07-07 00:05 – Updated: 2024-08-04 07:52
VLAI
EPSS
VEX
Title
Arbitrary file read via window-open IPC in Electron
Summary
In Electron before versions 7.2.4, 8.2.4, and 9.0.0-beta21, arbitrary local file read is possible by defining unsafe window options on a child window opened via window.open. As a workaround, ensure you are calling `event.preventDefault()` on all new-window events where the `url` or `options` is not something you expect. This is fixed in versions 9.0.0-beta.21, 8.2.4 and 7.2.4.
Severity
6.8 (Medium)
CWE
- CWE-552 - {"CWE-552":"Files or Directories Accessible to External Parties"}
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.electronjs.org/releases/stable?page=3… | x_refsource_MISC |
| https://github.com/electron/electron/security/adv… | x_refsource_CONFIRM |
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"matchCriteriaId": "5CA4015A-6D70-490E-AEFD-1C64F582F9DA",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:electronjs:electron:9.0.0:beta8:*:*:*:*:*:*",
"matchCriteriaId": "72B0EAB3-F11C-42B3-8F4A-3D4B652A2740",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:electronjs:electron:9.0.0:beta9:*:*:*:*:*:*",
"matchCriteriaId": "F2F409DE-D2A1-49A6-AA57-D735F4B07D29",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In Electron before versions 7.2.4, 8.2.4, and 9.0.0-beta21, arbitrary local file read is possible by defining unsafe window options on a child window opened via window.open. As a workaround, ensure you are calling `event.preventDefault()` on all new-window events where the `url` or `options` is not something you expect. This is fixed in versions 9.0.0-beta.21, 8.2.4 and 7.2.4."
},
{
"lang": "es",
"value": "En Electron antes de las versiones 7.2.4, 8.2.4 y 9.0.0-beta21, una lectura arbitraria de archivos locales es posible al definir opciones de ventana no seguras en una ventana secundaria abierta por medio de window.open. Como soluci\u00f3n alternativa, aseg\u00farense de llamar a la funci\u00f3n \"event.preventDefault()\" en todos los eventos de ventanas nuevas donde la \"url\" u \"options\" no es algo que se espera. Esto es corregido en las versiones 9.0.0-beta.21, 8.2.4 y 7.2.4"
}
],
"id": "CVE-2020-4075",
"lastModified": "2024-11-21T05:32:15.530",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 2.1,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 4.0,
"source": "security-advisories@github.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2020-07-07T00:15:10.513",
"references": [
{
"source": "security-advisories@github.com",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/electron/electron/security/advisories/GHSA-f9mq-jph6-9mhm"
},
{
"source": "security-advisories@github.com",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"url": "https://www.electronjs.org/releases/stable?page=3#release-notes-for-v824"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/electron/electron/security/advisories/GHSA-f9mq-jph6-9mhm"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"url": "https://www.electronjs.org/releases/stable?page=3#release-notes-for-v824"
}
],
"sourceIdentifier": "security-advisories@github.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-552"
}
],
"source": "security-advisories@github.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-552"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-05-22T16:57:59+00:00",
"cve": "CVE-2020-4075",
"id": "CVE-2020-4075",
"initial_release_date": "2020-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Arbitrary file read via window-open IPC in Electron",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-4075.json",
"version": "3"
}
}
}
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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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