CVE-2021-21421: node-etsy-client is a NodeJs Etsy ReST API Client

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HIGH 8.1UPGRADE

CVE-2021-21421 is a high-severity flaw (CVSS 8.1) affecting node-etsy-client. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

node-etsy-client is a NodeJs Etsy ReST API Client. Applications that are using node-etsy-client and reporting client error to the end user will offer api key value too This is fixed in node-etsy-client v0.3.0 and later.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-200, CWE-209
Published	2021-04-01
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: node-etsy-client project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-04-01 22:15 UTCPublished CVE record published
2026-06-17 03:35 UTCUpdated Record last modified

node-etsy-client project node-etsy-client UPGRADE

Affected: <= 0.3.0

Fixed in: newer than 0.3.0

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls node-etsy-client

2. UPGRADE to newer than 0.3.0

npm install node-etsy-client@">0.3.0"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-21421?

node-etsy-client: upgrade to newer than 0.3.0. Exact commands for each OS are on this page.

Is CVE-2021-21421 being exploited?

CVE-2021-21421 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-21421 affect?

CVE-2021-21421 affects node-etsy-client. Severity is high (CVSS 8.1). node-etsy-client is a NodeJs Etsy ReST API Client. Applications that are using node-etsy-client and reporting client error to the end user will offer api key value too This is fixed in node-etsy-client v0.3.0 and later.

How urgent is CVE-2021-21421?

Priority 45/100. High severity

Software pages

Node.js vulnerabilities

References

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