CVE-2021-21421
ApiKey secret could be revelated on network issue
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
ApiKey secret could be revelated on network issue
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.
- Record
CVE-2021-21421- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H - Weakness
- CWE-200
- Updated
- 2026-11-02
EUVDEUVD-2021-0889
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.
- Record
EUVD-2021-0889- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xw22-wv29-3299
ApiKey secret could be revelated on network issue
Impact
What kind of vulnerability is it? Who is impacted? Applications that are using node-etsy-client and reporting client error to the end user will offer api key value too
Patches
Has the problem been patched? What versions should users upgrade to?
creharmony/node-etsy-client#18 fixes this issue. This is fixed in node-etsy-client v0.3.0 and later.
Workarounds
Is there a way for users to fix or remediate the vulnerability without upgrading?
Do not report or log etsy client error if you are using version <= v0.2.0
Update your version of node-etsy-client
References
Are there any links users can visit to find out more?
- https://github.com/creharmony/node-etsy-client/issues/17 : On connect error secret appears in error #17
For more information
If you have any questions or comments about this advisory:
- Open an issue in github.com/creharmony/node-etsy-client/issues
- Record
GHSA-xw22-wv29-3299- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H - Weakness
- CWE-200, CWE-209
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-21421- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Weakness
- CWE-200, CWE-209
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2021-21421- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-xw22-wv29-3299
ApiKey secret could be revelated on network issue
Impact
What kind of vulnerability is it? Who is impacted? Applications that are using node-etsy-client and reporting client error to the end user will offer api key value too
Patches
Has the problem been patched? What versions should users upgrade to?
creharmony/node-etsy-client#18 fixes this issue. This is fixed in node-etsy-client v0.3.0 and later.
Workarounds
Is there a way for users to fix or remediate the vulnerability without upgrading?
Do not report or log etsy client error if you are using version <= v0.2.0
Update your version of node-etsy-client
References
Are there any links users can visit to find out more?
- https://github.com/creharmony/node-etsy-client/issues/17 : On connect error secret appears in error #17
For more information
If you have any questions or comments about this advisory:
- Open an issue in github.com/creharmony/node-etsy-client/issues
- Record
GHSA-xw22-wv29-3299- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H - Weakness
- CWE-200, CWE-209
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
node-etsy-clientnpm |
through 0.2.0 | 0.3.0 |
node-etsy-clientnpm |
before 0.3.0 | 0.3.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-21421 is a high vulnerability (CVSS 8.1) in Creharmony Node-etsy-client, published April 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.06%, the 64th percentile. Fixed in node-etsy-client 0.3.0.