CVE-2020-7639

MEDIUMCVSS 5.3

5.3

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.

CVSS v3: 5.3
EG Score: —
EPSS: —
KEV: Not listed

Published

April 6, 2020

Last Modified

November 21, 2024

References (4)

report@snykhttps://github.com/eivindfjeldstad/dot/commit/774e4b0c97ca35d2ae40df2cd14428d37dd07a0b
report@snykhttps://snyk.io/vuln/SNYK-JS-EIVIFJDOT-564435
af854a3a-2127-422b-91ae-364da2661108https://github.com/eivindfjeldstad/dot/commit/774e4b0c97ca35d2ae40df2cd14428d37dd07a0b
af854a3a-2127-422b-91ae-364da2661108https://snyk.io/vuln/SNYK-JS-EIVIFJDOT-564435

Affected Packages

(1 across 1 ecosystem)

npm(1)

Package	Vulnerable range	Fixed in	Dependents
@eivifj/dot	—	1.0.3	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-1321Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution)

Data Freshness Timeline

(refreshed 7× in last 7d / 7× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 05:35 UTCEG score recompute
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(4)

What is CVE-2020-7639?

CVE-2020-7639 is a medium vulnerability published on April 6, 2020. 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.

When was CVE-2020-7639 disclosed?

CVE-2020-7639 was first published in the National Vulnerability Database on April 6, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

What is the CVSS score of CVE-2020-7639?

CVE-2020-7639 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2020-7639?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-7639, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-7639

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