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CVE-2020-7639

19
FAUCET Score

CVE-2020-7639 describes a Prototype Pollution vulnerability in eivindfjeldstad-dot below version 1.0.3, where the 'set' function can be manipulated via a '__proto__' payload to modify Object.prototype. This vulnerability has a CVSS score of 5.3 (MEDIUM), indicating a network-based attack with low impact on integrity and no impact on confidentiality or availability. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.3CPE matchmatch criteria
cpe:2.3:a:dot_project:dot:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.10%
Probability of exploitation in next 30 days
EPSS Percentile
62.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0110 is in the 40th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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: @eivifj/dotFixed in: 1.0.3

Vendor Advisories (1)

npmGHSA-wfwq-xc57-fq7vmedium

eivindfjeldstad-dot contains prototype pollution vulnerability

May 25, 2021

References

github.com / eivindfjeldstad/dot/commit/774e4b0c97ca35d2ae40df2cd14428d37dd07a0b
PatchThird Party Advisory
snyk.io / vuln/SNYK-JS-EIVIFJDOT-564435
ExploitThird Party Advisory