CVE-2020-7639

View on CVE.org

Published Apr 6, 2020 CVSS 3.1 · 5.3 Medium EPSS 1.1% KEV · Not listed

Description

eivindfjeldstad-dot below 1.0.3 is vulnerable to Prototype Pollution.The function 'set' could be tricked into adding or modifying properties of 'Object.prototype' using a '__proto__' payload.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

@eivifj/dot

affected

Version	Status	Constraints
`All versions below 1.0.3`	affected	—

Configuration 1 [-]

cpe:2.3:a:dot_project:dot:*:*:*:*:*:node.js:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-1218	eivindfjeldstad-dot below 1.0.3 is vulnerable to Prototype Pollution.The function 'set' could be tricked into adding or modifying properties of 'Object.prototype' using a '__proto__' payload.
Github GHSA	GHSA-wfwq-xc57-fq7v	eivindfjeldstad-dot contains prototype pollution vulnerability

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 1.1% (1.097% probability within 30 days)

Exploitation none

Automatable yes

Technical Impact partial

References

Link	Providers
https://github.com/eivindfjeldstad/dot/commit/774e4b0c97ca35d2ae40df2cd14428d37dd07a0b
https://snyk.io/vuln/SNYK-JS-EIVIFJDOT-564435

History

Oct 8, 2026 10:30 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Dot Project Dot

Weaknesses

CWE-1321

Sources

CVE record Updated: Oct 8, 2026, 9:03 PM

Status: PUBLISHED
Assigner: snyk
Published: Apr 6, 2020, 12:48 PM
Updated: Oct 8, 2026, 9:03 PM
Reserved: Jan 21, 2020, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 4, 2024, 9:33 AM

Updated: Aug 4, 2024, 9:33 AM

NVD Updated: Oct 8, 2026, 9:17 PM

Status: Modified
Published: Apr 6, 2020, 1:15 PM
Modified: Oct 8, 2026, 9:17 PM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "@eivifj/dot", "vendor": "n/a", "versions": [{"status": "affected", "version": "All versions below 1.0.3"}]}], "descriptions": [{"lang": "en", "value": "eivindfjeldstad-dot below 1.0.3 is vulnerable to Prototype Pollution.The function 'set' could be tricked into adding or modifying properties of 'Object.prototype' using a '__proto__' payload."}], "problemTypes": [{"descriptions": [{"description": "Prototype Pollution", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-04-06T12:48:14.000Z", "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "shortName": "snyk"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://snyk.io/vuln/SNYK-JS-EIVIFJDOT-564435"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/eivindfjeldstad/dot/commit/774e4b0c97ca35d2ae40df2cd14428d37dd07a0b"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "report@snyk.io", "ID": "CVE-2020-7639", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "@eivifj/dot", "version": {"version_data": [{"version_value": "All versions below 1.0.3"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "eivindfjeldstad-dot below 1.0.3 is vulnerable to Prototype Pollution.The function 'set' could be tricked into adding or modifying properties of 'Object.prototype' using a '__proto__' payload."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Prototype Pollution"}]}]}, "references": {"reference_data": [{"name": "https://snyk.io/vuln/SNYK-JS-EIVIFJDOT-564435", "refsource": "MISC", "url": "https://snyk.io/vuln/SNYK-JS-EIVIFJDOT-564435"}, {"name": "https://github.com/eivindfjeldstad/dot/commit/774e4b0c97ca35d2ae40df2cd14428d37dd07a0b", "refsource": "MISC", "url": "https://github.com/eivindfjeldstad/dot/commit/774e4b0c97ca35d2ae40df2cd14428d37dd07a0b"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T09:33:20.000Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://snyk.io/vuln/SNYK-JS-EIVIFJDOT-564435"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/eivindfjeldstad/dot/commit/774e4b0c97ca35d2ae40df2cd14428d37dd07a0b"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2020-7639", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-08T20:54:33.106153Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-08T21:03:12.096Z"}}]}, "cveMetadata": {"assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "assignerShortName": "snyk", "cveId": "CVE-2020-7639", "datePublished": "2020-04-06T12:48:14.000Z", "dateReserved": "2020-01-21T00:00:00.000Z", "dateUpdated": "2026-10-08T21:03:12.096Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{"containers": {"cna": {"affected": [{"product": "@eivifj/dot", "vendor": "n/a", "versions": [{"status": "affected", "version": "All versions below 1.0.3"}]}], "descriptions": [{"lang": "en", "value": "eivindfjeldstad-dot below 1.0.3 is vulnerable to Prototype Pollution.The function 'set' could be tricked into adding or modifying properties of 'Object.prototype' using a '__proto__' payload."}], "problemTypes": [{"descriptions": [{"description": "Prototype Pollution", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-04-06T12:48:14.000Z", "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "shortName": "snyk"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://snyk.io/vuln/SNYK-JS-EIVIFJDOT-564435"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/eivindfjeldstad/dot/commit/774e4b0c97ca35d2ae40df2cd14428d37dd07a0b"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "report@snyk.io", "ID": "CVE-2020-7639", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "@eivifj/dot", "version": {"version_data": [{"version_value": "All versions below 1.0.3"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "eivindfjeldstad-dot below 1.0.3 is vulnerable to Prototype Pollution.The function 'set' could be tricked into adding or modifying properties of 'Object.prototype' using a '__proto__' payload."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Prototype Pollution"}]}]}, "references": {"reference_data": [{"name": "https://snyk.io/vuln/SNYK-JS-EIVIFJDOT-564435", "refsource": "MISC", "url": "https://snyk.io/vuln/SNYK-JS-EIVIFJDOT-564435"}, {"name": "https://github.com/eivindfjeldstad/dot/commit/774e4b0c97ca35d2ae40df2cd14428d37dd07a0b", "refsource": "MISC", "url": "https://github.com/eivindfjeldstad/dot/commit/774e4b0c97ca35d2ae40df2cd14428d37dd07a0b"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T09:33:20.000Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://snyk.io/vuln/SNYK-JS-EIVIFJDOT-564435"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/eivindfjeldstad/dot/commit/774e4b0c97ca35d2ae40df2cd14428d37dd07a0b"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2020-7639", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-08T20:54:33.106153Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-08T20:54:33.874Z"}, "title": "CISA ADP Vulnrichment"}]}, "cveMetadata": {"assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "assignerShortName": "snyk", "cveId": "CVE-2020-7639", "datePublished": "2020-04-06T12:48:14.000Z", "dateReserved": "2020-01-21T00:00:00.000Z", "dateUpdated": "2026-10-08T21:03:12.096Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "@eivifj/dot", "vendor": "n/a", "versions": [{"status": "affected", "version": "All versions below 1.0.3"}]}], "source": "report@snyk.io"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:dot_project:dot:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "707517E5-0AE2-49DA-92EA-129956233B76", "versionEndExcluding": "1.0.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "eivindfjeldstad-dot below 1.0.3 is vulnerable to Prototype Pollution.The function 'set' could be tricked into adding or modifying properties of 'Object.prototype' using a '__proto__' payload."}, {"lang": "es", "value": "eivindfjeldstad-dot versiones por debajo de 1.0.3, es vulnerable a una Contaminaci\u00f3n de Prototipos. La funci\u00f3n \"set\" podr\u00eda ser enga\u00f1ada para agregar o modificar propiedades de \"Object.prototype\" usando una carga \u00fatil \"__proto__\"."}], "id": "CVE-2020-7639", "lastModified": "2026-10-08T21:17:31.163", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2020-7639", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-08T20:54:33.106153Z", "version": "2.0.3"}}]}, "published": "2020-04-06T13:15:12.987", "references": [{"source": "report@snyk.io", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/eivindfjeldstad/dot/commit/774e4b0c97ca35d2ae40df2cd14428d37dd07a0b"}, {"source": "report@snyk.io", "tags": ["Exploit", "Third Party Advisory"], "url": "https://snyk.io/vuln/SNYK-JS-EIVIFJDOT-564435"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/eivindfjeldstad/dot/commit/774e4b0c97ca35d2ae40df2cd14428d37dd07a0b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://snyk.io/vuln/SNYK-JS-EIVIFJDOT-564435"}], "sourceIdentifier": "report@snyk.io", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1321"}], "source": "nvd@nist.gov", "type": "Primary"}]}