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CVE-2017-20160

31
FAUCET Score

CVE-2017-20160 is a critical vulnerability affecting flitto express-param versions up to 0.x, specifically due to improper handling of extra parameters within the lib/fetchParams.js file. This flaw carries a CVSS score of 9.8 (Critical), indicating it can be exploited remotely with low attack complexity, leading to high impacts on confidentiality, integrity, and availability. While no active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion has been observed, the vulnerability is easily remediated by upgrading to flitto express-param version 1.0.0.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.0CPE matchmatch criteria
cpe:2.3:a:flitto:express-param:*:*:*:*:*:*:*:*

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
0.81%
Probability of exploitation in next 30 days
EPSS Percentile
53.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0081 is in the 37th percentile among its peer group of 36,829 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: express-paramFixed in: 1.0.0

Vendor Advisories (1)

npmGHSA-fr54-72wr-cqvqcritical

express-param vulnerable to Improper Handling of Extra Parameters

Dec 31, 2022

References

github.com / flitto/express-param/commit/db94f7391ad0a16dcfcba8b9be1af385b25c42db
Patch
github.com / flitto/express-param/pull/19
Patch
github.com / flitto/express-param/releases/tag/1.0.0
Release Notes
vuldb.com
Third Party Advisory
vuldb.com
Third Party Advisory