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CVE-2020-28272

30
FAUCET Score

CVE-2020-28272 is a critical prototype pollution vulnerability affecting 'keyget' versions 1.0.0 through 2.2.0. This flaw allows an unauthenticated attacker to remotely trigger a denial of service and potentially achieve remote code execution. With a CVSS score of 9.8, it presents a severe risk due to its network-based attack vector and low attack complexity. Despite its high severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.0.1, <= 2.2.0CPE matchmatch criteria
cpe:2.3:a:keyget_project:keyget:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.26%
Probability of exploitation in next 30 days
EPSS Percentile
87.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0326 is in the 79th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: keygetFixed in: 2.3.0

Vendor Advisories (1)

npmGHSA-8mp8-28xh-r486critical

keyget vulnerable to prototype pollution

May 24, 2022

References

github.com / rumkin/keyget/commit/17d15b6c75036eb429075a8cfeccfc18094dd2e2
PatchThird Party Advisory
whitesourcesoftware.com / vulnerability-database/CVE-2020-28272
ExploitThird Party Advisory