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CVE-2020-36618

31
FAUCET Score

CVE-2020-36618 is a critical prototype pollution vulnerability affecting Furqan node-whois, specifically within an unknown function in the index.coffee file. This flaw allows for remote, unauthenticated attacks with low complexity, enabling an attacker to modify object prototype attributes. The vulnerability carries a CVSS score of 9.8, indicating high impacts on confidentiality, integrity, and availability. While there is no evidence of active exploitation, nor are there public exploits in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion with 10 mentions.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:furqansofware:node_whois:-:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

6.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.94%
Probability of exploitation in next 30 days
EPSS Percentile
57.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0094 is in the 42nd percentile among its peer group of 36,835 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: whoisFixed in: 2.13.6

Vendor Advisories (1)

npmGHSA-97jv-c342-5xhccritical

FurqanSoftware/node-whois vulnerable to Prototype Pollution

Dec 19, 2022

References

github.com / FurqanSoftware/node-whois/commit/46ccc2aee8d063c7b6b4dee2c2834113b7286076
PatchThird Party Advisory
github.com / FurqanSoftware/node-whois/pull/105
ExploitIssue TrackingPatchThird Party Advisory
vuldb.com
Third Party Advisory