CVE-2020-28272

CRITICALNVD 9.89.8

9.8

Prototype pollution vulnerability in 'keyget' versions 1.0.0 through 2.2.0 allows attacker to cause a denial of service and may lead to remote code execution.

CVSS v3: 9.8
EG Score: 9.8(low)
EPSS: 86.6%
KEV: Not listed

Published

December 2, 2020

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated May 30, 2026

Upstream fix merged — awaiting tagged release. Sources: github_commit.

github_commit

commit 17d15b6c7503 (rumkin/keyget)

Fix landed in rumkin/keyget commit 17d15b6c7503 — awaiting tagged release

https://github.com/rumkin/keyget/commit/17d15b6c75036eb429075a8cfeccfc18094dd2e2

Affected Packages

(1 across 1 ecosystem)

npm(1)

Package	Vulnerable range	Fixed in	Dependents
keyget	—	2.3.0	—

Data Freshness Timeline

(refreshed 9× in last 7d / 16× 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.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
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 04:44 UTCEG score recompute

Frequently asked(5)

What is CVE-2020-28272?

CVE-2020-28272 is a critical vulnerability published on December 2, 2020. Prototype pollution vulnerability in 'keyget' versions 1.0.0 through 2.2.0 allows attacker to cause a denial of service and may lead to remote code execution.

When was CVE-2020-28272 disclosed?

CVE-2020-28272 was first published in the National Vulnerability Database on December 2, 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-2020-28272 actively exploited?

CVE-2020-28272 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 86.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-28272?

CVE-2020-28272 has a CVSS v3 base score of 9.8 (NVD). The EG score is currently aggregating — additional source signals are being incorporated as they become available..

How do I remediate CVE-2020-28272?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-28272, 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-2020-28272

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