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CVE-2020-28441

30
FAUCET Score

CVE-2020-28441 is a critical prototype pollution vulnerability affecting the 'conf-cfg-ini' package prior to version 1.2.2. An attacker can exploit this by submitting a malicious INI file, leading to arbitrary code execution, data manipulation, or denial of service with a CVSS score of 9.8. While the vulnerability is critical and has a high FAUCET risk score, 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
< 1.2.2CPE matchmatch criteria
cpe:2.3:a:conf-cfg-ini_project:conf-cfg-ini:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

7.3HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.14%
Probability of exploitation in next 30 days
EPSS Percentile
63.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0114 is in the 49th 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: conf-cfg-iniFixed in: 1.2.2

Vendor Advisories (1)

npmGHSA-m6mg-jvjf-w44xcritical

conf-cfg-ini Prototype Pollution via malicious INI file before v1.2.2

Jul 26, 2022

References

github.com / loge5/conf-cfg-ini/commit/3a88a6c52c31eb6c0f033369eed40aa168a636ea
PatchThird Party Advisory
security.snyk.io / vuln/SNYK-JS-CONFCFGINI-1048973
ExploitThird Party Advisory