CVE-2020-8116

HIGHNVD 7.37.3—

7.3

Prototype pollution vulnerability in dot-prop npm package versions before 4.2.1 and versions 5.x before 5.1.1 allows an attacker to add arbitrary properties to JavaScript language constructs such as objects.

CVSS v3: 7.3
EG Score: 7.3(medium)
EPSS: 73.7%
KEV: Not listed

Published

February 4, 2020

Last Modified

November 21, 2024

References (8)

support@hackeronehttps://github.com/advisories/GHSA-ff7x-qrg7-qggm
support@hackeronehttps://github.com/sindresorhus/dot-prop/issues/63
support@hackeronehttps://github.com/sindresorhus/dot-prop/tree/v4
support@hackeronehttps://hackerone.com/reports/719856
af854a3a-2127-422b-91ae-364da2661108https://github.com/advisories/GHSA-ff7x-qrg7-qggm
af854a3a-2127-422b-91ae-364da2661108https://github.com/sindresorhus/dot-prop/issues/63
af854a3a-2127-422b-91ae-364da2661108https://github.com/sindresorhus/dot-prop/tree/v4
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/719856

Patch Availability(5)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	nodejs:10-8030020210118191659.229f0a1c	2021-02-16	redhat
redhat	rh-nodejs10-nodejs-0:10.23.1-2.el7	2021-02-15	redhat
redhat	rh-nodejs12-nodejs-0:12.18.4-3.el7	2020-11-12	redhat
redhat	nodejs:12-8010020201006223055.c27ad7f8	2020-11-04	redhat
redhat	nodejs:12-8020020201007080935.4cda2c84	2020-10-19	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

npm(1)

Package	Vulnerable range	Fixed in	Dependents
dot-prop	—	5.1.1	—

Weakness Classification(2)

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

All Vendor Advisories

(5)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 9× in last 7d / 9× 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 08:17 UTCEG score recompute
2026-05-27 08:17 UTCVendor advisory
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
2026-05-23 16:35 UTCOSV refresh

Frequently asked(5)

What is CVE-2020-8116?

CVE-2020-8116 is a high vulnerability published on February 4, 2020. Prototype pollution vulnerability in dot-prop npm package versions before 4.2.1 and versions 5.x before 5.1.1 allows an attacker to add arbitrary properties to JavaScript language constructs such as objects.

When was CVE-2020-8116 disclosed?

CVE-2020-8116 was first published in the National Vulnerability Database on February 4, 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.

Is CVE-2020-8116 actively exploited?

CVE-2020-8116 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 73.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-8116?

CVE-2020-8116 has a CVSS v3 base score of 7.3 (NVD).

How do I remediate CVE-2020-8116?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-8116, 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-2020-8116

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CVE-2020-8116

Published

Last Modified

References (8)

Patch Availability(5)

Affected Packages

Weakness Classification(2)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-8116?

Same vendor

Same CWE

CVE-2020-8116

📅 Published

🔄 Last Modified

🔗 References (8)

Patch Availability(5)

Affected Packages

Weakness Classification(2)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-8116?

🔗 Related CVEs(same vendor + same CWE)

Same vendor

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Published

Last Modified

References (8)

Frequently asked(5)

Related CVEs(same vendor + same CWE)